用你的语言查看此页面

English

فارسی

العربية

Deutsch

Español

Français

日本語

한국어

Português

हिन्दी

首页
学习
英语
词汇
oxygen level

A1 noun #15,000 最常用 14分钟阅读

oxygen level

开始练习例句笔记与提示 oxygen level 30秒了解

解析 oxygen level in your Level:

At the A1 level, 'oxygen level' is a phrase you might learn when talking about basic health or visiting a doctor. It means how much air (oxygen) is in your body. You can think of it like a battery level for your breathing. When you are healthy, your oxygen level is high (usually ninety-five to one hundred). If you are sick, like with a bad cold or the flu, it might go down. Doctors use a small clip on your finger to check it. It does not hurt. You might say, 'The doctor checks my oxygen level.' or 'Is my oxygen level good?' It is a very simple way to talk about how well you are breathing. You might also hear it when talking about the air in a room. If a room is very small and many people are inside, you might feel like the oxygen level is low and you need to open a window for fresh air. This is a very basic but important phrase for everyday life and simple health conversations. You don't need to know the science, just that 'high' is usually good and 'low' might mean you need help or fresh air. Learning this phrase helps you understand what is happening during a simple medical checkup.

At the A2 level, you can use 'oxygen level' to describe more specific situations. You might talk about exercise or traveling to high places like mountains. For example, you could say, 'When I run fast, I check my oxygen level on my watch.' or 'The oxygen level is low at the top of the mountain.' At this level, you understand that 'oxygen level' is a measurement. You can use adjectives like 'normal', 'low', or 'high' to describe it. You also start to see it in news stories about the environment or health. You might understand a sentence like, 'The nurse says his oxygen level is ninety-six percent.' This shows you are getting more comfortable with numbers and percentages. You can also use the verb 'to drop' or 'to fall' with this phrase. 'His oxygen level fell because he was sick.' This level of English allows you to explain why someone might feel tired or dizzy—perhaps their oxygen level is not high enough. It is a useful term for describing physical feelings and environmental conditions in simple but clear sentences.

免费注册阅读完整解释

At the B1 level, you can use 'oxygen level' in more professional or technical contexts. You might discuss the importance of maintaining a stable oxygen level for patients in a hospital or for divers underwater. You can explain the relationship between different factors, such as 'The oxygen level in the water affects the fish.' or 'If the cabin pressure drops in a plane, the oxygen level will also decrease.' You are now able to use more complex verbs like 'monitor', 'maintain', and 'stabilize'. You can also use the phrase in the passive voice: 'The oxygen level was monitored every hour.' This level of English allows you to participate in discussions about health technology, such as how smartwatches measure SpO2. You can also talk about environmental issues like pollution causing a drop in oxygen levels in rivers. You understand that the term can be used for both biological systems (like the human body) and physical environments (like a room or a lake). Your ability to use 'oxygen level' in various sentence structures shows a growing mastery of the language and an ability to discuss more abstract and technical topics.

免费注册阅读完整解释

At the B2 level, 'oxygen level' becomes a tool for detailed explanation and argument. You can discuss the physiological effects of low oxygen levels, such as hypoxia, and how the body compensates by increasing the heart rate. You might use the term in a debate about environmental regulations, arguing that 'Industrial waste is significantly reducing the dissolved oxygen level in our local waterways, threatening biodiversity.' At this level, you are expected to use precise collocations like 'critical oxygen level', 'atmospheric oxygen level', or 'fluctuating oxygen levels'. You can also use the term in more formal writing, such as a report on workplace safety or a summary of a scientific article. You understand the nuances between 'level', 'saturation', and 'concentration'. For instance, you could explain that 'While the oxygen level in the air remains at twenty-one percent, the partial pressure decreases at high altitudes, making it harder for the blood to reach full saturation.' This shows a high degree of fluency and the ability to handle technical concepts with ease. You can also use the term metaphorically in some contexts, though it remains primarily a technical and descriptive phrase.

免费注册阅读完整解释

At the C1 level, you use 'oxygen level' with total precision and can integrate it into complex, multi-layered discussions. You might analyze the impact of declining oceanic oxygen levels on global food security or discuss the intricate feedback loops in the human body that regulate arterial oxygen levels. Your vocabulary includes specialized synonyms like 'hypoxemia' and 'oxygen tension', and you know exactly when to use 'oxygen level' for a general audience versus a more technical term for experts. You can write sophisticated essays or give presentations where 'oxygen level' is a key variable in a larger system. For example, 'The correlation between declining dissolved oxygen levels and the proliferation of anaerobic bacteria in stagnant water bodies is a primary concern for limnologists.' You are also comfortable using the term in idiomatic or highly formal structures, such as 'The precariousness of his condition was evidenced by the erratic swings in his oxygen level.' At this level, your use of the phrase is indistinguishable from that of a highly educated native speaker, and you can navigate the subtle differences in meaning across various scientific and medical disciplines.

免费注册阅读完整解释

At the C2 level, you have a complete and nuanced command of 'oxygen level' and all its scientific, medical, and environmental implications. You can engage in high-level academic discourse about the paleoclimatological records of atmospheric oxygen levels and their role in the evolution of complex life. You understand the term not just as a measurement, but as a critical parameter in thermodynamics, fluid dynamics, and cellular biology. You can critique complex medical data, noting how 'The patient's peripheral oxygen level, while seemingly stable, masked a deeper tissue-level hypoxia due to poor microcirculatory perfusion.' Your writing is elegant and precise, using 'oxygen level' as part of sophisticated rhetorical structures. You can effortlessly switch between the colloquial use of the term in a public health campaign and the rigorous technicality required for a peer-reviewed journal article. You are also aware of the historical development of the term and how our understanding of 'oxygen levels' has evolved since the discovery of the gas in the eighteenth century. At this level, the term is part of a vast, interconnected web of knowledge that you can draw upon to express complex ideas with clarity, authority, and stylistic flair.

免费注册阅读完整解释

开始练习例句笔记与提示

oxygen level 30秒了解

Oxygen level is a vital measurement of oxygen concentration in the blood or environment.
In medicine, a normal oxygen level is usually between ninety-five and one hundred percent.
Low oxygen levels can cause breathing difficulties, dizziness, and other serious health problems.
The term is also used in environmental science to check the health of water and air.

The term oxygen level refers to the measurement of oxygen saturation in a specific medium, most commonly within the human bloodstream or the surrounding atmosphere. In a medical context, it is a vital sign that indicates the efficiency with which the lungs transfer oxygen to the blood and how effectively that oxygen is being delivered to the body's tissues and organs. This measurement is typically expressed as a percentage in medical settings, known as SpO2, where a level between ninety-five and one hundred percent is considered normal for a healthy individual. When the oxygen level drops below this range, it can indicate a condition known as hypoxemia, which may lead to shortness of breath, confusion, and other serious health complications. Beyond the clinical setting, the term is frequently used in environmental science to describe the concentration of dissolved oxygen in bodies of water, which is crucial for the survival of aquatic life, or the concentration of oxygen in the air at high altitudes where the atmosphere is thinner.

Clinical Significance: In hospitals, monitoring the oxygen level is a standard procedure for patients with respiratory illnesses, those undergoing surgery, or individuals in intensive care. It serves as an early warning system for potential respiratory failure.

The nurse used a small device called a pulse oximeter to check the patient's oxygen level during the routine checkup.

The concept of oxygen level also plays a significant role in sports science and fitness. Athletes often monitor their blood oxygen levels to understand how their bodies adapt to intense physical exertion or training at high elevations. In these scenarios, a temporary decrease in the oxygen level is expected, but the speed at which the body recovers is a key indicator of cardiovascular fitness. Furthermore, in the context of global climate change, scientists monitor the oxygen level in the oceans, as rising water temperatures can lead to deoxygenation, creating 'dead zones' where most marine life cannot survive. This broader application of the term highlights its importance not just for individual health, but for the health of the entire planet's ecosystem.

Environmental Context: Environmentalists measure the oxygen level in lakes and rivers to assess water quality. Low levels often suggest pollution or excessive algae growth that consumes available oxygen.

As we climbed higher up the mountain, the atmospheric oxygen level began to decrease, making it harder to breathe.

In the domestic sphere, the term gained widespread recognition during the COVID-19 pandemic. Many households purchased pulse oximeters to monitor their oxygen level at home, as 'silent hypoxia'—a condition where oxygen levels drop without obvious symptoms—became a known risk of the virus. This shift brought a technical medical term into the daily vocabulary of millions of people worldwide. Understanding one's oxygen level became a form of health literacy that empowered individuals to seek medical help at the appropriate time. The term continues to be relevant in discussions about air quality in smart homes and offices, where sensors track the oxygen level and carbon dioxide concentration to ensure a healthy indoor environment for occupants.

Aviation and Safety: In airplanes, the cabin is pressurized to maintain a safe oxygen level for passengers and crew, preventing the onset of altitude sickness during high-altitude flights.

The safety briefing explained that if the cabin oxygen level drops, masks will automatically fall from the ceiling.

Scientists are worried that the decreasing oxygen level in the deep ocean could lead to a mass extinction of fish species.

After exercising for thirty minutes, his oxygen level remained stable, showing his excellent physical condition.

Using the phrase oxygen level effectively requires an understanding of the verbs and adjectives that typically accompany it. When discussing health, the most common verbs are 'check', 'monitor', 'measure', 'maintain', and 'restore'. For example, a doctor might say, 'We need to monitor your oxygen level overnight.' In this context, the phrase acts as the direct object of the verb. When the oxygen level changes, we use verbs like 'drop', 'fall', 'plummet', 'rise', or 'stabilize'. If a patient is struggling, you might hear, 'His oxygen level dropped dangerously low during the night.' Conversely, after treatment, you might say, 'The supplemental oxygen helped his oxygen level stabilize.' These verbs provide a dynamic sense of how the measurement is behaving over time.

Common Verbs: Monitor, check, measure, increase, decrease, maintain, stabilize, drop, fall, rise.

It is vital to maintain a steady oxygen level for patients recovering from lung surgery.

Adjectives are also crucial for adding detail to the description of an oxygen level. Common descriptors include 'low', 'high', 'normal', 'stable', 'critical', 'dangerously low', and 'optimal'. In a professional or academic setting, you might use more precise terms like 'atmospheric', 'arterial', 'dissolved', or 'blood'. For instance, 'The dissolved oxygen level in the pond was insufficient for the trout.' This specificity helps the listener or reader understand exactly which environment or biological system is being discussed. When describing the result of a test, you might say, 'The test results showed a normal oxygen level,' which provides immediate reassurance or information. Using 'critical' or 'dangerously low' emphasizes the urgency of a medical situation.

Descriptive Adjectives: Normal, low, high, stable, critical, fluctuating, optimal, atmospheric, arterial.

The athlete's oxygen level was surprisingly high even after the marathon.

In more complex sentence structures, 'oxygen level' can be part of a prepositional phrase or a dependent clause. For example, 'Due to the decline in the oxygen level, the hikers had to descend the mountain immediately.' Here, the phrase follows the preposition 'in'. You can also use it in a conditional sense: 'If the oxygen level falls below ninety percent, the alarm will sound.' This structure is common in technical manuals and medical protocols. It is also possible to use 'oxygen level' as a compound noun acting as a subject: 'The oxygen level in the room is controlled by an automated ventilation system.' By varying the position and the accompanying words, you can convey precise meanings across different domains, from biology to engineering.

Prepositional Usage: Changes in the oxygen level, monitoring of the oxygen level, concerns about the oxygen level.

The technician adjusted the settings to ensure the oxygen level remained constant throughout the experiment.

The sensor provides a real-time display of the oxygen level in the scuba tank.

When the oxygen level is too low, the brain cannot function properly.

You are most likely to encounter the phrase oxygen level in healthcare environments. In a hospital ward or an emergency room, doctors and nurses frequently discuss a patient's oxygen level as a primary indicator of their respiratory health. You might hear a nurse say to a colleague, 'The patient in bed four has a stable oxygen level now.' This usage is part of the 'vital signs' check that includes heart rate, blood pressure, and temperature. During the COVID-19 pandemic, this term moved from the hospital into the home, with news reports and health tutorials explaining how to use home pulse oximeters. Consequently, you might hear family members discussing their oxygen levels during a phone call or see it mentioned in health apps on smartphones and smartwatches.

Medical Settings: Hospitals, clinics, pharmacies, and during telehealth appointments where patients report their own readings.

The doctor noted that the patient's oxygen level improved significantly after the treatment.

Another common location for this term is in the world of outdoor adventure and travel. Mountaineers and high-altitude hikers frequently talk about the oxygen level as they ascend peaks like Everest or Kilimanjaro. In these contexts, the 'oxygen level' refers to the partial pressure of oxygen in the air, which decreases as altitude increases. You might hear a guide warn, 'We need to move slowly to allow our bodies to adjust to the lower oxygen level at this height.' Similarly, in the aviation industry, pilots and flight attendants are trained to recognize the signs of hypoxia if the cabin oxygen level were to drop. Safety videos on commercial flights always mention oxygen masks in the event of a loss of cabin pressure, which is essentially a way to maintain the passengers' oxygen levels.

Outdoor and Aviation: Mountain climbing expeditions, flight safety briefings, and scuba diving training sessions.

At thirty thousand feet, the atmospheric oxygen level is too low for humans to survive without assistance.

Environmental documentaries and news segments on climate change are also places where you will hear about oxygen levels. Scientists often discuss the 'dissolved oxygen level' in the world's oceans and lakes. For example, a narrator might explain, 'Pollution has caused the oxygen level in this river to fall, leading to a massive fish kill.' This usage emphasizes the environmental health aspect of the term. Furthermore, in the context of space exploration, you will hear engineers and astronauts discussing the oxygen level inside a space station or a lunar habitat. In these high-stakes environments, maintaining a precise oxygen level is a matter of life and death, and the term is used with great frequency in technical communications and mission updates.

Science and Media: Nature documentaries, environmental reports, and news coverage of space missions or deep-sea exploration.

The documentary highlighted how the falling oxygen level in the Baltic Sea is affecting local fisheries.

The astronaut checked the oxygen level on the control panel before opening the hatch.

During the fitness test, the coach monitored each player's oxygen level to gauge their endurance.

One of the most frequent mistakes learners make is confusing oxygen level with 'oxygen amount' or 'oxygen quantity'. While 'amount' and 'quantity' refer to a total volume, 'level' specifically refers to a concentration or a relative measurement, often expressed as a percentage or a partial pressure. For example, saying 'The oxygen amount in my blood is ninety-eight percent' is grammatically awkward and technically incorrect; 'oxygen level' is the standard term. Another common error is using the plural 'oxygen levels' when referring to a single person's specific measurement at one moment. While 'levels' is appropriate when discussing a trend over time or comparing multiple people, 'level' is usually better for a single reading.

Level vs. Amount: Use 'level' for concentrations and percentages. Use 'amount' if you are talking about the total volume of gas in a tank.

Incorrect: The oxygen amount in the room was low. Correct: The oxygen level in the room was low.

In terms of grammar, many learners forget to use the definite article 'the' when referring to a specific oxygen level. Because 'oxygen level' is usually a specific measurement being discussed, 'the' is almost always required. For instance, saying 'Doctor checked oxygen level' is incorrect; it should be 'The doctor checked the oxygen level.' Furthermore, some people confuse 'oxygen level' with 'breathing rate'. While they are related, they are not the same. A person can have a fast breathing rate but still have a low oxygen level if their lungs are not functioning correctly. Using the terms interchangeably can lead to significant confusion in medical or technical discussions.

Article Usage: Always remember to use 'the' when talking about a specific measurement. 'The oxygen level is normal.'

Incorrect: We need to check oxygen level. Correct: We need to check the oxygen level.

Another subtle mistake occurs in the context of environment vs. biology. People sometimes say 'the oxygen level of the air' when 'atmospheric oxygen level' or 'oxygen level in the air' is more natural. Similarly, in a medical context, saying 'the oxygen level of the patient' is less common than 'the patient's oxygen level'. Prepositions matter here. Using 'in' (e.g., 'oxygen level in the blood') is generally the safest and most accurate way to describe where the oxygen is being measured. Lastly, be careful with the verb 'increase'. While you can 'increase the oxygen level' (by giving someone a mask), a person's body 'recovers' or 'restores' its oxygen level naturally. Choosing the right verb helps clarify whether the change was an external action or a biological process.

Preposition Precision: Use 'in' for location: 'oxygen level in the water'. Use 'of' for ownership: 'the oxygen level of the sample'.

Incorrect: The oxygen level at the blood was fine. Correct: The oxygen level in the blood was fine.

The nurse checked the oxygen level every hour to make sure the patient was safe.

Scientists noticed a significant drop in the oxygen level of the lake after the heatwave.

While oxygen level is a very common and useful term, there are several alternatives depending on the context. In a medical setting, the most precise alternative is 'oxygen saturation', often abbreviated as 'O2 sat' or 'SpO2'. This term specifically refers to the percentage of hemoglobin in the blood that is carrying oxygen. While 'oxygen level' is more general, 'saturation' is the technical term preferred by healthcare professionals. Another related term is 'hypoxia', which refers to the state of having a low oxygen level in the tissues, or 'hypoxemia', which specifically means low oxygen in the blood. Using these terms can make your communication sound more professional and clinical.

Medical Alternatives: Oxygen saturation, SpO2, O2 sat, arterial oxygen tension.

The doctor preferred the term 'oxygen saturation' when writing the official medical report rather than just oxygen level.

In environmental science, 'dissolved oxygen' (often abbreviated as DO) is the standard alternative when talking about water. You would rarely say 'the oxygen level in the water' in a scientific paper; instead, you would refer to the 'dissolved oxygen concentration'. This term is more precise because it accounts for the fact that the oxygen is physically dissolved in a liquid. In the context of the atmosphere, scientists might use 'partial pressure of oxygen' or 'oxygen concentration'. These terms are used when the exact chemical makeup of the air is being analyzed, particularly in studies of high-altitude physiology or atmospheric chemistry. Using these alternatives shows a deeper understanding of the scientific principles at play.

Scientific Alternatives: Dissolved oxygen, oxygen concentration, partial pressure of oxygen.

Measuring the dissolved oxygen level is the first step in assessing the health of a marine ecosystem.

For everyday use, people sometimes use 'fresh air' as a non-technical alternative. For example, 'I need some fresh air' implies that the current oxygen level is low or the air is 'stuffy'. While not a direct synonym, it conveys the same need for more oxygen. In sports, you might hear 'VO2 max', which is the maximum rate of oxygen consumption measured during incremental exercise. While 'oxygen level' is a static measurement, 'VO2 max' is a measurement of capacity and performance. Understanding the difference between these terms is essential for anyone interested in fitness or athletic training. By choosing the right word from this spectrum—from 'fresh air' to 'arterial oxygen tension'—you can tailor your language to your audience and the specific situation.

Casual vs. Technical: Casual: Fresh air, stuffy air. Technical: VO2 max, SpO2, arterial gas.

The athlete's VO2 max was much higher than his resting oxygen level would suggest.

The pilot checked the cabin oxygen level to ensure it matched the required safety standards.

The researcher noted that the oxygen level in the sealed chamber remained constant for forty-eight hours.

How Formal Is It?

趣味小知识

Lavoisier mistakenly believed that oxygen was a necessary constituent of all acids, which is why he named it 'acid-producer'. We now know this is not true, but the name stuck.

发音指南

UK /ˈɒksɪdʒən ˈlevl̩/

US /ˈɑːksɪdʒən ˈlevl̩/

OX-y-gen LEV-el

押韵词

toxin box in bevel revel devil gravel travel unravel

常见错误

Pronouncing 'oxygen' as 'ox-y-jen' with a hard 'y'.
Stressing the second syllable of 'level'.
Failing to pronounce the 'n' clearly at the end of 'oxygen'.
Combining the words into one 'oxygenlevel'.
Confusing the 'g' sound with a hard 'k' sound.

难度评级

阅读 2/5

The words are common, but the concept can be technical in some texts.

写作 2/5

Easy to use in simple sentences, but requires care with articles and prepositions.

口语 1/5

Very common in daily health and fitness talk; easy to pronounce.

听力 2/5

Easily recognized in medical and environmental contexts.

接下来学什么

前置知识

oxygen level blood breathing doctor

接下来学习

saturation hypoxia respiratory oximeter hemoglobin

高级

partial pressure hypoxemia aerobic metabolism deoxygenation cyanosis

需要掌握的语法

Compound Nouns

In 'oxygen level', the word 'oxygen' acts as an adjective modifying 'level'.

Definite Articles with Measurements

We use 'the' when referring to a specific person's oxygen level: 'The oxygen level is fine.'

Preposition 'In' for Concentration

We say 'the oxygen level in the blood', not 'on the blood'.

Subject-Verb Agreement

The oxygen level (singular) is high. The oxygen levels (plural) are fluctuating.

Using 'Percent' as a Unit

The oxygen level is 98 percent. (No 'of' needed between the level and the number).

免费注册阅读完整解释

按水平分级的例句

The doctor checks my oxygen level.

Le docteur vérifie mon niveau d'oxygène.

Simple present tense.

Is your oxygen level good?

Est-ce que ton niveau d'oxygène est bon ?

Question form.

My oxygen level is ninety-eight.

Mon niveau d'oxygène est de quatre-vingt-dix-huit.

Using a number as a complement.

The oxygen level is low here.

Le niveau d'oxygène est bas ici.

Adjective 'low' modifying 'level'.

We need a high oxygen level.

Nous avons besoin d'un niveau d'oxygène élevé.

Adjective 'high' before the noun phrase.

Open the window for the oxygen level.

Ouvre la fenêtre pour le niveau d'oxygène.

Prepositional phrase 'for the oxygen level'.

The nurse sees the oxygen level.

L'infirmière voit le niveau d'oxygène.

Subject-verb-object structure.

Is the oxygen level normal?

Le niveau d'oxygène est-il normal ?

Inverted question form.

The oxygen level in the room is fine.

Le niveau d'oxygène dans la pièce est correct.

Prepositional phrase 'in the room'.

She measured her oxygen level after running.

Elle a mesuré son niveau d'oxygène après avoir couru.

Past simple tense.

The oxygen level dropped during the night.

Le niveau d'oxygène a chuté pendant la nuit.

Verb 'dropped' indicating change.

He needs a mask for his oxygen level.

Il a besoin d'un masque pour son niveau d'oxygène.

Possessive 'his'.

The mountain has a low oxygen level.

La montagne a un faible niveau d'oxygène.

Noun phrase as an object.

Check the oxygen level every two hours.

Vérifiez le niveau d'oxygène toutes les deux heures.

Imperative form.

The oxygen level is important for health.

Le niveau d'oxygène est important pour la santé.

Adjective 'important' with a preposition.

Does this watch show the oxygen level?

Cette montre affiche-t-elle le niveau d'oxygène ?

Present simple question with 'does'.

The pilot monitored the oxygen level carefully.

Le pilote a surveillé attentivement le niveau d'oxygène.

Adverb 'carefully' modifying the verb.

A stable oxygen level is necessary for recovery.

Un niveau d'oxygène stable est nécessaire pour la récupération.

Adjective 'stable' as a descriptor.

Pollution can decrease the oxygen level in lakes.

La pollution peut diminuer le niveau d'oxygène dans les lacs.

Modal verb 'can' expressing possibility.

The oxygen level was recorded in the medical chart.

Le niveau d'oxygène a été consigné dans le dossier médical.

Passive voice.

They were worried about the declining oxygen level.

Ils étaient inquiets de la baisse du niveau d'oxygène.

Participial adjective 'declining'.

The oxygen level depends on the altitude.

Le niveau d'oxygène dépend de l'altitude.

Verb 'depends on' showing relationship.

Maintain a constant oxygen level in the tank.

Maintenez un niveau d'oxygène constant dans le réservoir.

Imperative with adjective 'constant'.

He felt dizzy because of the low oxygen level.

Il s'est senti étourdi à cause du faible niveau d'oxygène.

Prepositional phrase 'because of'.

The hospital uses advanced sensors to track the oxygen level.

L'hôpital utilise des capteurs perfectionnés pour suivre le niveau d'oxygène.

Infinitive of purpose 'to track'.

Environmentalists are concerned about the rising oxygen level in some areas.

Les écologistes s'inquiètent de l'augmentation du niveau d'oxygène dans certaines zones.

Adjective 'concerned' followed by 'about'.

The oxygen level must be kept within a strict range.

Le niveau d'oxygène doit être maintenu dans une fourchette stricte.

Passive modal 'must be kept'.

Researchers found a correlation between the oxygen level and fish growth.

Les chercheurs ont trouvé une corrélation entre le niveau d'oxygène et la croissance des poissons.

Noun 'correlation' with 'between'.

The device provides an accurate reading of the oxygen level.

L'appareil fournit une lecture précise du niveau d'oxygène.

Adjective 'accurate' modifying 'reading'.

Despite the low oxygen level, the climber reached the summit.

Malgré le faible niveau d'oxygène, le grimpeur a atteint le sommet.

Concessive phrase with 'despite'.

The oxygen level fluctuates significantly during deep sleep.

Le niveau d'oxygène fluctue considérablement pendant le sommeil profond.

Verb 'fluctuates' with adverb 'significantly'.

Ventilation systems are designed to optimize the oxygen level.

Les systèmes de ventilation sont conçus pour optimiser le niveau d'oxygène.

Passive voice with 'designed to'.

The precipitous drop in the oxygen level necessitated immediate medical intervention.

La chute brutale du niveau d'oxygène a nécessité une intervention médicale immédiate.

Complex subject with 'precipitous drop'.

Maintaining an optimal oxygen level is paramount for neonatal care.

Le maintien d'un niveau d'oxygène optimal est primordial pour les soins néonataux.

Gerund 'maintaining' as a subject.

The study examines how the oxygen level influences metabolic pathways.

L'étude examine comment le niveau d'oxygène influence les voies métaboliques.

Indirect question clause.

Atmospheric oxygen levels have varied throughout geological history.

Les niveaux d'oxygène atmosphérique ont varié tout au long de l'histoire géologique.

Present perfect tense with plural 'levels'.

The sensor detects even the slightest change in the oxygen level.

Le capteur détecte même le moindre changement du niveau d'oxygène.

Superlative 'slightest' modifying 'change'.

The patient's oxygen level remained critically low despite the administration of supplemental air.

Le niveau d'oxygène du patient est resté dangereusement bas malgré l'administration d'air d'appoint.

Adverb 'critically' modifying 'low'.

Urban planning must consider the oxygen level in densely populated areas.

L'urbanisme doit tenir compte du niveau d'oxygène dans les zones densément peuplées.

Modal 'must consider' with a complex object.

The correlation between the oxygen level and cognitive function is well-documented.

La corrélation entre le niveau d'oxygène et la fonction cognitive est bien documentée.

Passive voice 'is well-documented'.

The intricate regulatory mechanisms of the body ensure that the arterial oxygen level remains within a narrow physiological window.

Les mécanismes de régulation complexes du corps garantissent que le niveau d'oxygène artériel reste dans une fenêtre physiologique étroite.

Subordinate 'that' clause.

Oceanic deoxygenation, characterized by a decline in the dissolved oxygen level, poses a systemic threat to marine biodiversity.

La désoxygénation des océans, caractérisée par une baisse du niveau d'oxygène dissous, constitue une menace systémique pour la biodiversité marine.

Appositive phrase 'characterized by...'.

The historical fluctuations in the atmospheric oxygen level are believed to have catalyzed the Cambrian explosion.

On pense que les fluctuations historiques du niveau d'oxygène atmosphérique ont catalysé l'explosion cambrienne.

Passive reporting structure 'are believed to have'.

The efficacy of the treatment was compromised by the patient's chronically low oxygen level.

L'efficacité du traitement a été compromise par le niveau d'oxygène chroniquement bas du patient.

Agentive 'by' phrase in passive voice.

A nuanced understanding of the oxygen level is essential for managing patients with chronic obstructive pulmonary disease.

Une compréhension nuancée du niveau d'oxygène est essentielle pour la prise en charge des patients atteints de bronchopneumopathie chronique obstructive.

Adjective 'nuanced' modifying 'understanding'.

The experiment aimed to simulate the low oxygen level found on the Martian surface.

L'expérience visait à simuler le faible niveau d'oxygène trouvé sur la surface martienne.

Infinitive 'to simulate' following 'aimed'.

The sudden depletion of the oxygen level in the sealed environment led to immediate unconsciousness.

L'épuisement soudain du niveau d'oxygène dans l'environnement scellé a entraîné une perte de connaissance immédiate.

Noun 'depletion' as a head of the subject phrase.

Advanced computational models can predict changes in the oxygen level with unprecedented accuracy.

Des modèles informatiques avancés peuvent prédire les changements du niveau d'oxygène avec une précision sans précédent.

Prepositional phrase 'with unprecedented accuracy'.

近义词

oxygen saturation O2 level blood oxygen oxygen concentration oxygen content

反义词

oxygen deficiency carbon dioxide level

常见搭配

check the oxygen level

maintain an oxygen level

low oxygen level

normal oxygen level

blood oxygen level

atmospheric oxygen level

oxygen level drops

monitor oxygen level

stable oxygen level

critical oxygen level

常用短语

oxygen level sensor

— A device that measures the amount of oxygen. It is used in cars, hospitals, and homes.

The oxygen level sensor in the car needs to be replaced.

resting oxygen level

— The measurement of oxygen when a person is not moving or exercising. It is a baseline for health.

His resting oxygen level is always around ninety-nine percent.

optimal oxygen level

— The best or most effective amount of oxygen for a specific purpose. It implies peak performance.

Athletes strive for an optimal oxygen level during training.

insufficient oxygen level

— A level that is not high enough to meet the needs of the body or environment. It suggests a problem.

The insufficient oxygen level in the pond caused the fish to gasp for air.

oxygen level monitoring

— The continuous process of checking the oxygen level. This is common in intensive care units.

Continuous oxygen level monitoring is required for this patient.

safe oxygen level

— A level that does not pose a risk to health or safety. It is often defined by regulations.

The technician ensured the room had a safe oxygen level before we entered.

peak oxygen level

— The highest measurement reached during a specific period. It is often used in fitness testing.

She reached her peak oxygen level during the final sprint.

ambient oxygen level

— The oxygen level in the surrounding environment. It is used in scientific and industrial settings.

The ambient oxygen level in the lab is controlled by a computer.

oxygen level alarm

— A sound or signal that warns when the oxygen level is too low or too high. It is a safety feature.

The oxygen level alarm sounded when the tank was nearly empty.

target oxygen level

— The specific level that doctors or engineers want to achieve. it is a goal for treatment or design.

Our target oxygen level for this patient is ninety-four percent.

容易混淆的词

oxygen level vs oxygen tank

A tank is the container; the level is the measurement of the gas.

oxygen level vs breathing rate

Breathing rate is how fast you breathe; oxygen level is how much oxygen is in your blood.

oxygen level vs air pressure

Air pressure is the weight of the air; oxygen level is the concentration of oxygen in that air.

习语与表达

"suck the oxygen out of the room"

— To dominate a conversation or situation so much that others cannot participate or the energy is lost.

His long speech really sucked the oxygen out of the room.

informal

"need oxygen"

— To need help, resources, or attention to survive or continue. It is often used for businesses or projects.

This startup needs more oxygen in the form of investment.

metaphorical

"give something oxygen"

— To give something (like an idea or a rumor) attention so that it grows or continues.

Don't give that fake news any oxygen; just ignore it.

informal

"low on oxygen"

— Feeling tired or lacking energy. It can be literal or figurative.

After that long meeting, I feel a bit low on oxygen.

informal

"gasping for oxygen"

— To be in desperate need of something, not just air. It implies a state of crisis.

The local library is gasping for oxygen after the budget cuts.

metaphorical

"air and oxygen"

— The basic necessities required for something to function. It emphasizes essential needs.

Education is the air and oxygen of a healthy democracy.

literary

"burn through oxygen"

— To use up resources very quickly. It suggests a lack of sustainability.

The project is burning through oxygen faster than we expected.

informal

"fresh oxygen"

— New ideas or new people that bring energy to a group. It implies revitalization.

The new manager brought some fresh oxygen to the department.

informal

"cut off the oxygen"

— To stop the supply of something essential. It is often used in political or economic contexts.

The sanctions were designed to cut off the oxygen to the regime.

metaphorical

"oxygen of publicity"

— The attention from the media that allows a person or cause to be known. It is essential for fame.

Terrorist groups thrive on the oxygen of publicity.

journalistic

容易混淆

oxygen level vs Saturation

Both refer to oxygen in the blood.

'Saturation' is the technical term for the percentage of hemoglobin carrying oxygen, whereas 'level' is a more general term.

The nurse checked his oxygen saturation.

oxygen level vs Concentration

Both describe the amount of a substance in a space.

'Concentration' is usually used for gases in the air or chemicals in a liquid, while 'level' is more common for health measurements.

The oxygen concentration in the room was 21%.

oxygen level vs Amount

Both refer to quantity.

'Amount' refers to a total volume (e.g., 2 liters), while 'level' refers to a relative measurement (e.g., 98%).

The amount of oxygen in the tank is low.

oxygen level vs Tension

Both are used in medical blood gas reports.

'Tension' refers specifically to the partial pressure of oxygen (PaO2), while 'level' usually refers to saturation (SpO2).

The arterial oxygen tension was 80 mmHg.

oxygen level vs Flow

Both are related to oxygen therapy.

'Flow' is the speed at which oxygen is delivered (liters per minute), while 'level' is the resulting concentration in the patient.

Increase the oxygen flow to two liters.

句型

The [noun] is [adjective].

The oxygen level is good.

Check the [noun] [adverb/time].

Check the oxygen level now.

It is [adjective] to [verb] the [noun].

It is important to monitor the oxygen level.

If the [noun] [verb], then [clause].

If the oxygen level drops, then the patient needs help.

A [adjective] [noun] in the [noun] [verb] [clause].

A significant decline in the oxygen level in the lake caused many problems.

[Gerund] the [noun] [verb] [complex clause].

Maintaining the oxygen level requires a complex understanding of respiratory mechanics.

Any

What is the [noun]?

What is the oxygen level?

Any

The [noun] is [number] percent.

The oxygen level is ninety-nine percent.

词族

名词

oxygen

oxygenation

oxidizer

oxide

动词

oxygenate

oxidize

形容词

oxygenated

oxidized

oxygenic

如何使用

frequency

Very common in health, fitness, and environmental news.

常见错误

Using 'oxygen level' and 'heart rate' as the same thing. → Heart rate is how fast the heart beats; oxygen level is the oxygen in the blood.
Many people see two numbers on a pulse oximeter and get confused. One is your pulse, the other is your oxygen level. They are different vitals.
Saying 'The oxygen level of me is 99'. → My oxygen level is 99.
Use possessive adjectives (my, your, his) instead of 'of me' to sound more natural in English.
Saying 'The oxygen level in the room is 98%'. → The oxygen level in the air is 21%.
People often confuse blood oxygen levels (which are near 100%) with atmospheric oxygen levels (which are 21%).
Forgeting the word 'level' entirely. → I need to check my oxygen level.
You cannot just say 'I need to check my oxygen'. This sounds like you are checking a physical tank of gas, not your health.
Using 'oxygen level' when 'saturation' is required in a technical report. → The patient's oxygen saturation was measured.
In high-level medical writing, 'saturation' is the standard technical term and 'level' may be seen as too informal.

小贴士

Rest before checking

For the most accurate reading of your oxygen level at home, sit quietly for a few minutes before using the pulse oximeter. Moving around can cause the reading to fluctuate and give you an incorrect result.

Check your watch fit

If you use a smartwatch to monitor your oxygen level, make sure the strap is snug but comfortable. If the watch is too loose, the sensor cannot read your blood oxygen accurately.

Plants and Oxygen

Having indoor plants can slightly improve the oxygen level in your home during the day as they release oxygen. However, they are not a replacement for good ventilation and fresh air.

Use 'Normal'

Instead of saying 'My oxygen level is good', doctors usually say 'Your oxygen level is normal'. Using 'normal' sounds more professional and precise in a medical context.

Airplane Safety

Always listen to the safety briefing on a plane. Knowing how to use the oxygen mask if the cabin oxygen level drops can save your life in an emergency.

Define your terms

In a scientific paper, always define what you mean by 'oxygen level' at the beginning. Are you measuring SpO2, PaO2, or dissolved oxygen? This prevents confusion for your readers.

Monitor Recovery

Watch how fast your oxygen level returns to normal after a hard workout. A quick recovery is a sign of a strong and healthy cardiovascular system.

The Article 'The'

Don't forget the word 'the'. You are usually talking about 'the' oxygen level of a specific person or place. 'The oxygen level is 98%' is much better than 'Oxygen level is 98%.'

Altitude Sickness

If you travel to high altitudes, watch for signs of low oxygen level like headaches or nausea. Drinking plenty of water and moving slowly can help your body adjust.

Don't Panic

A single low reading on a home device might be an error. If the oxygen level seems low but you feel fine, try checking a different finger or warming up your hands before testing again.

记住它

记忆技巧

Think of an 'OX' wearing a 'GEN' (generator) to maintain his 'LEVEL'. The OX-GEN-LEVEL keeps him strong.

视觉联想

Imagine a battery icon on a human chest, but instead of electricity, it shows O2. When the battery is full, the oxygen level is 100%.

Word Web

Blood Air Doctor Breathing Percent Hospital Mountain Sensor

挑战

Try to use 'oxygen level' in three different sentences today: one about health, one about the weather, and one about a machine.

词源

The word 'oxygen' was coined in 1777 by Antoine Lavoisier from the Greek roots 'oxys' (acid) and 'genes' (producer). The word 'level' comes from the Old French 'livel', which originated from the Latin 'libella', a diminutive of 'libra' meaning 'balance' or 'scales'.

原始含义： The phrase literally means the balanced measurement of the acid-producing gas.

Indo-European (Greek and Latin roots via French).

文化背景

Be careful when discussing oxygen levels with people who have chronic illnesses, as it can be a source of anxiety.

In the UK and US, 'oxygen level' is a standard part of health news and fitness marketing.

The movie 'Apollo 13' features critical discussions about oxygen levels. Mount Everest documentaries always emphasize the 'death zone' where oxygen levels are too low. The book 'Into Thin Air' by Jon Krakauer.

在生活中练习

真实语境

At the Doctor's Office

What is my oxygen level?
Is my oxygen level normal?
The nurse is checking my oxygen level.
My oxygen level is ninety-seven percent.

Hiking in the Mountains

The oxygen level is low here.
I can feel the lower oxygen level.
Does the oxygen level get lower at the top?
We need to adjust to the oxygen level.

Using a Smartwatch

My watch tracks my oxygen level.
The app shows my blood oxygen level.
How accurate is the oxygen level on this watch?
Check your oxygen level after the workout.

Environmental Science

The oxygen level in the river is dropping.
We are measuring the dissolved oxygen level.
Pollution affects the oxygen level.
The fish need a higher oxygen level.

In an Airplane

The cabin maintains a safe oxygen level.
What happens if the oxygen level falls?
Oxygen masks provide a steady oxygen level.
The sensors monitor the oxygen level.

对话开场白

"Have you ever checked your oxygen level with a pulse oximeter?"

"Do you think smartwatches are accurate at measuring your oxygen level?"

"How do you feel when the oxygen level is low, like in a crowded room?"

"Did you know that the oxygen level is different at the top of Mount Everest?"

"Should schools teach children how to check their own oxygen level?"

日记主题

Describe a time when you felt like the oxygen level in a room was too low. How did you react?

Write about why it is important for doctors to monitor a patient's oxygen level during surgery.

Imagine you are a scientist measuring the oxygen level in a remote lake. What do you find?

How has the ability to check our own oxygen level at home changed our relationship with health?

If the oxygen level on Earth started to drop, how would society change?

常见问题

10 个问题

For most healthy people, a normal oxygen level is between ninety-five and one hundred percent. If the level falls below ninety percent, it is usually considered a medical concern. People with chronic lung diseases may have a lower 'normal' range, which they should discuss with their doctor.

The most common way is using a pulse oximeter, which is a small device that clips onto your finger. It uses light to measure the oxygen in your blood without needing a needle. You can also check it through an arterial blood gas test in a hospital, which is more accurate but requires a blood sample.

Many modern smartwatches have an SpO2 sensor that can give you an estimate of your oxygen level. However, they are generally not as accurate as medical-grade pulse oximeters. They are useful for tracking trends but should not be used for making critical medical decisions.

Many things can cause a low oxygen level, including lung infections like pneumonia, asthma, heart failure, and being at high altitudes. It can also be caused by sleep apnea or certain medications that slow down your breathing. If you have a low oxygen level, you should seek medical advice.

As you go higher up a mountain, the air pressure decreases. This means the air is 'thinner' and the molecules of oxygen are further apart. Even though the percentage of oxygen in the air is the same, there is less oxygen available for you to breathe in each breath, leading to a lower oxygen level in your blood.

While we need oxygen to survive, having an excessively high oxygen level (hyperoxia) for a long time can be harmful. This usually only happens in hospital settings where patients receive too much supplemental oxygen. It can damage the lungs and other organs if not monitored carefully.

You can help maintain a healthy oxygen level by exercising regularly, which strengthens your heart and lungs. Quitting smoking is also very important. Practicing deep breathing exercises and ensuring your living space is well-ventilated can also help you feel better and support your oxygen levels.

In casual conversation, there is no difference. Technically, 'oxygen level' is a general term, while 'oxygen saturation' (SpO2) specifically refers to the percentage of hemoglobin in the blood that is bound to oxygen. Saturation is the number you see on a pulse oximeter.

Yes, it is vital for marine life. Fish and other sea creatures breathe 'dissolved oxygen'. If the oxygen level in the water drops too low, it creates 'dead zones' where animals cannot survive. This is often caused by pollution and rising water temperatures due to climate change.

A reading of 92% is below the normal range for most people. If you feel short of breath, dizzy, or have a cough, you should contact a healthcare professional. They will determine if this level is a concern for you based on your health history and current symptoms.

免费注册查看提示和笔记