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A2 noun #364 最常用 13分钟阅读

rate

前364

开始练习例句笔记与提示 rate 30秒了解

解析 rate in your Level:

At the A1 level, the word 'rate' is most commonly encountered in very simple contexts related to travel and basic costs. You might see it on a sign at a hotel that says 'Room Rate: $100'. In this case, it just means the price you pay for one night. You might also hear it in very basic descriptions of speed, like 'The car is going at a slow rate'. However, at this level, students usually prefer simpler words like 'price' or 'speed'. The goal for an A1 learner is to recognize that 'rate' is often connected to money or how fast something is happening. It is a useful word to know when you are traveling or looking at simple charts in a textbook. You don't need to use it in complex ways yet, but understanding it when you see it on a bill or a sign is very helpful.

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At the A2 level, you begin to use 'rate' in more specific ways. You might talk about your 'heart rate' after running or the 'exchange rate' when you go to a different country. You understand that 'rate' is a way to measure something over time or per unit. For example, you can say 'The interest rate on my bank account is very low'. You also start to see 'rate' in common phrases like 'at a fast rate' or 'at a slow rate'. At this level, you are moving beyond just 'price' and starting to use 'rate' for standardized costs, like an hourly rate for a job. It is an important word for basic financial literacy and for describing physical activities in a slightly more advanced way than just using the word 'fast' or 'slow'.

By the B1 level, you should be comfortable using 'rate' in a variety of everyday and semi-professional contexts. You can discuss the 'unemployment rate' or the 'inflation rate' when talking about the news. You understand that 'rate' is a statistical term used to describe how often something happens in a population. You can also use the phrase 'at any rate' to change the subject or summarize a point in a conversation. In a work environment, you might discuss the 'production rate' or your 'billing rate'. You are able to distinguish between 'rate' and 'rating', knowing that a rating is a score for quality. Your vocabulary is becoming more precise, and you use 'rate' to provide specific details about speed, cost, and frequency in your speaking and writing.

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At the B2 level, 'rate' becomes a key word for academic and professional communication. You use it to describe complex trends, such as 'the rate of technological advancement' or 'the rate of environmental degradation'. you are familiar with more technical terms like 'mortality rate', 'birth rate', and 'growth rate'. You can use 'rate' in more sophisticated sentence structures, such as 'The rate at which the ice is melting is unprecedented'. You also understand idiomatic uses and can use 'rate' to compare different data sets in a report. Your understanding of the word includes its nuances in finance, science, and social studies. You are expected to use 'rate' accurately in essays and presentations to quantify changes and costs with a high degree of precision.

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At the C1 level, your use of 'rate' is highly nuanced and precise. You can use it to discuss subtle differences in data, such as the 'marginal tax rate' or the 'utilization rate' of a resource. You are comfortable with the word in highly formal academic papers and business reports. You understand the difference between 'rate', 'ratio', and 'proportion' in a mathematical context and can explain these differences to others. You also recognize less common idioms and can use the word 'rate' as a verb with sophistication (e.g., 'He is rated as one of the top experts in his field'). Your command of the word allows you to use it in complex arguments about economics, sociology, and science, where the precise measurement of change is crucial for making a point.

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At the C2 level, you have a complete mastery of 'rate' in all its forms and contexts. You can use it with total precision in any setting, from a casual conversation to a highly technical scientific journal. You are aware of the historical etymology of the word and how its meaning has evolved over time. You can use it to express very complex ideas, such as 'the discount rate' in long-term economic planning or the 'decay rate' in nuclear physics. You are also sensitive to the stylistic implications of using 'rate' versus its synonyms and can choose the most effective word for any given rhetorical situation. Your use of 'rate' is indistinguishable from that of a highly educated native speaker, and you can handle the word's most abstract and metaphorical applications with ease.

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开始练习例句笔记与提示

rate 30秒了解

Rate is a noun that measures speed, frequency, or cost per unit of time or quantity, such as heart rate or interest rate.
It is commonly used in finance, science, and daily life to describe how fast things change or how much services cost.
The word often appears in phrases like 'at a rate of' or 'interest rate', helping to quantify and compare different data points.
Understanding rate is essential for interpreting statistics, managing money, and describing the pace of various physical and social processes.

The word rate is a versatile noun that fundamentally describes a relationship between two different measurements. Most commonly, it refers to the speed at which something happens or changes over a specific period. For instance, if you are driving, your speed is a rate of distance over time. In a broader sense, it acts as a ratio or a proportion. Beyond physical movement, the term is indispensable in the worlds of finance, hospitality, and statistics. When you book a hotel room, the 'nightly rate' is the price you pay per unit of time (one night). When you borrow money, the 'interest rate' is the cost of that money expressed as a percentage of the total. People use this word daily to quantify progress, evaluate costs, and compare data points across different contexts.

Speed and Frequency: This refers to how fast an action occurs. For example, a typist might have a typing rate of sixty words per minute, or a heart might beat at a rate of seventy beats per minute during rest.

The local police department reported that the crime rate in the city center has decreased significantly over the last three years due to better lighting.

Financial Cost: In commerce, it signifies a fixed price for a service or a commodity. You might hear about an hourly rate for a consultant or a mortgage rate for a home loan.

Before traveling to Europe, Sarah checked the current exchange rate to see how many Euros she would get for her dollars.

In academic and scientific contexts, 'rate' is used to describe the pace of biological or chemical processes. A scientist might measure the rate of a chemical reaction or the growth rate of a specific plant species under different light conditions. This allows for precise comparisons and predictions. In social science, we look at the birth rate or the unemployment rate to understand the health and dynamics of a population. These figures are usually expressed as a number of occurrences per thousand or hundred people. Understanding 'rate' is essential for interpreting news, managing personal finances, and even tracking personal fitness goals like your heart rate during a workout.

The doctor was concerned because the patient's pulse rate remained high even while they were sitting quietly in the examination room.

Relative Scale: It can also imply a level of quality or value relative to a standard. While 'rating' is more common for reviews, 'rate' appears in phrases like 'first-rate' to describe something of the highest quality.

The hotel offers a discounted rate for guests who book their stay at least three months in advance.

Technological advancement is occurring at such a rapid rate that it is difficult for legislation to keep up with the changes.

Ultimately, whether you are talking about the flow of water, the accumulation of interest, or the speed of a runner, 'rate' provides the mathematical and linguistic framework to describe how one quantity changes in relation to another. It is a fundamental building block of both casual conversation and technical analysis.

Using the word rate correctly requires an understanding of its common collocations and the prepositions that usually accompany it. Because it is a noun that describes a ratio, it often sits between an adjective and a prepositional phrase. For example, we frequently see the pattern [Adjective] + rate + [of/for]. Adjectives like 'high', 'low', 'rapid', 'steady', and 'alarming' are commonly used to qualify the nature of the rate. When you want to specify what is being measured, you use 'of', as in 'the rate of inflation' or 'the rate of growth'. When discussing costs, you might use 'for', as in 'the rate for a double room'.

Describing Speed of Change: Use 'at a... rate' to describe how something is moving or developing. Example: 'The glacier is melting at an alarming rate due to rising global temperatures.'

The students are learning the new material at a very fast rate, allowing the teacher to move on to more advanced topics.

Discussing Statistics: In formal reports, 'rate' is often the subject of the sentence. Example: 'The unemployment rate has remained stable for the last six consecutive months.'

The success rate of the new surgical procedure is over ninety-five percent, which is a significant improvement over the old method.

When 'rate' refers to price, it is often used as a compound noun or with a modifying noun. Common examples include 'interest rate', 'exchange rate', 'tax rate', and 'room rate'. In these cases, 'rate' functions as the head of the noun phrase, and the preceding word specifies the type of cost. You will often see these in financial news or business documents. For instance, 'The central bank decided to raise the interest rate to combat inflation.' Here, the rate is the specific percentage charged by the bank. Similarly, in a professional context, you might ask a freelancer, 'What is your daily rate?' to find out how much they charge for a full day of work.

If you stay for more than a week, the apartment manager might offer you a lower weekly rate instead of the standard daily charge.

Scientific Measurement: In science, 'rate' is often used with 'per'. Example: 'The car was traveling at a rate of sixty miles per hour when the accident occurred.'

The heart rate of an athlete in peak condition is usually much lower than that of an average person during rest.

Economists are monitoring the rate of inflation closely to predict how consumer spending will change in the next quarter.

Finally, consider the phrase 'at this rate'. This is used to make a prediction based on current trends. If you say, 'At this rate, we will never finish the project on time,' you are implying that the current speed of work is too slow to meet the deadline. This usage is very common in both professional and personal settings to express concern or optimism about the future based on present observations.

The word rate is ubiquitous, appearing in diverse environments from the living room to the boardroom. In the media, you will hear it most frequently during news broadcasts, particularly in the financial and health segments. News anchors often discuss the 'interest rate' set by the Federal Reserve or the 'unemployment rate' in the country. During a health crisis, the 'infection rate' or 'mortality rate' becomes a central part of public discourse. These are not just numbers; they are rates that help the public understand the scale and speed of societal changes. In sports, commentators often talk about a player's 'scoring rate' or a pitcher's 'strikeout rate', using these statistics to compare athletes' performances across different eras or games.

In the News: Financial reporters often say, 'The bank has kept the interest rate unchanged,' or 'The inflation rate has hit a ten-year high.'

The news report highlighted that the graduation rate in the district has reached an all-time high of ninety-two percent.

At the Doctor's Office: Medical professionals use 'rate' to describe vital signs. You will hear, 'Your heart rate is a bit high today,' or 'We need to monitor your respiratory rate.'

During the fitness class, the instructor told everyone to check their heart rate using the sensors on the treadmill handles.

In everyday life, you encounter 'rate' when dealing with utilities and services. Your electricity bill might mention a 'kilowatt-hour rate', and your water bill might show a 'usage rate'. When you are shopping for a new internet plan, the provider will advertise the 'data transfer rate' (often called speed). In the workplace, managers often discuss the 'production rate' of a factory or the 'turnover rate' of employees. If many people are leaving a company, the 'turnover rate' is high, which is usually a sign of internal problems. Even in casual conversations about movies or restaurants, while we often use the verb 'to rate', we might talk about the 'rating' (a related noun) or the 'success rate' of a particular director's films.

The company is trying to reduce its employee turnover rate by offering better benefits and more flexible working hours.

In Finance and Banking: When applying for a loan, the officer will discuss the 'annual percentage rate' (APR), which is the total cost of borrowing over a year.

The plumber charged a flat rate of fifty dollars just to come to the house and inspect the leaking pipe.

The exchange rate between the dollar and the yen has been fluctuating wildly due to the recent economic instability.

In summary, 'rate' is a tool for measurement that spans across almost every professional field. Whether you are analyzing the 'growth rate' of a startup, the 'flow rate' of a river, or the 'interest rate' on your savings account, the word helps you quantify how one thing relates to another, usually in terms of time or quantity. It is a word that brings precision to our descriptions of the world.

While 'rate' is a common word, it is frequently misused in several ways. One of the most common errors is confusing the noun rate with the noun rating. While they are related, they are not interchangeable. A 'rate' is a measurement of speed, frequency, or price (e.g., interest rate, heart rate). A 'rating' is an evaluation or a score given to something based on its quality (e.g., a five-star rating for a movie). You would not say 'The movie has a high rate'; instead, you should say 'The movie has a high rating'. Conversely, you wouldn't say 'The interest rating is 5%'; it should be 'The interest rate is 5%'.

Rate vs. Ratio: A 'ratio' compares two quantities of the same kind (e.g., the ratio of boys to girls is 2:1). A 'rate' compares two different kinds of quantities, usually involving time (e.g., 60 miles per hour).

Incorrect: The movie received a high rate from the critics.
Correct: The movie received a high rating from the critics.

Preposition Errors: Learners often use the wrong preposition. We say 'at a rate', not 'in a rate' or 'with a rate'. Example: 'The water is flowing at a rate of ten liters per minute.'

Incorrect: He was driving in a very fast rate.
Correct: He was driving at a very fast rate.

Another common mistake involves the use of 'rate' when 'speed' or 'pace' might be more natural. While 'rate' is technically correct, 'speed' is usually preferred for physical movement (e.g., 'The speed of the car'), and 'pace' is often used for walking, running, or the general rhythm of life (e.g., 'The pace of life in the city'). 'Rate' is more clinical or mathematical. Furthermore, when talking about prices, 'rate' usually implies a recurring or standardized cost. You wouldn't say 'The rate of this apple is one dollar'; you would say 'The price of this apple is one dollar'. Use 'rate' for things like 'hourly rate' or 'interest rate'.

Incorrect: What is the rate of this shirt?
Correct: What is the price of this shirt?

Confusing Rate and Percentage: While many rates are expressed as percentages (like interest rates), they are not the same thing. A percentage is a part of a whole, while a rate is a comparison of two different units.

If you keep spending money at this rate, you will be broke by the end of the month.

The rate of change in the climate is faster than many scientists previously predicted.

Lastly, be careful with the plural form. 'Rates' is used when referring to multiple different types of measurements or multiple instances of a price. For example, 'The bank offers different interest rates for different types of accounts.' However, if you are talking about the general speed of one thing, use the singular 'rate'. By paying attention to these nuances, you can avoid common pitfalls and use the word with greater precision.

To truly master the word rate, it is helpful to compare it with its synonyms and related terms. Depending on the context, words like 'speed', 'pace', 'price', 'ratio', and 'proportion' might be more appropriate. Each of these words carries a slightly different nuance. 'Speed' is the most direct synonym for 'rate' when referring to physical motion. However, 'speed' is almost always used for objects in motion, whereas 'rate' can be used for abstract concepts like 'the rate of inflation'. 'Pace' is often used to describe the rhythm or speed of an activity, like walking or a story's plot.

Rate vs. Speed: 'Speed' is physical (e.g., 50 mph). 'Rate' is often more abstract or statistical (e.g., birth rate, growth rate).

The car's speed was high, but the rate of fuel consumption was even more concerning to the driver.

Rate vs. Price: 'Price' is for a single item (e.g., the price of a book). 'Rate' is for a service over time or a standard charge (e.g., an hourly rate).

While the price of the hotel room was high, the rate included breakfast and access to the spa.

When discussing statistics, 'proportion' and 'ratio' are close relatives. A 'ratio' is a comparison of two numbers (e.g., 3:1), while 'proportion' often refers to a part of a whole (e.g., 'A large proportion of the population'). 'Rate' is unique because it almost always implies a time element or a per-unit measurement. For instance, the 'mortality rate' is the number of deaths per thousand people per year. In the context of quality, 'rank' or 'grade' can be alternatives to 'rate' (as a verb) or 'rating' (as a noun). If you 'rate' a movie highly, you are giving it a high 'rank' or 'grade'.

The pace of the marathon was grueling, and many runners were unable to maintain their initial rate of speed.

Rate vs. Frequency: 'Frequency' is how often something happens. 'Rate' is the measurement of that frequency against another unit (usually time).

The frequency of the bus service is every ten minutes, which is a very convenient rate for commuters.

The ratio of students to teachers is 20 to 1, but the rate of student success varies by department.

In conclusion, while 'rate' is a very broad term, choosing the right synonym can make your writing more precise. Use 'speed' for physical motion, 'price' for individual items, 'pace' for the rhythm of an activity, and 'rate' for statistical measurements or standardized costs. Understanding these distinctions will help you communicate more effectively in both academic and professional settings.

How Formal Is It?

趣味小知识

The phrase 'pro rata' is still used in legal and financial contexts today to mean 'in proportion'. It is one of the few Latin phrases that has remained almost unchanged for centuries.

发音指南

UK /reɪt/

US /reɪt/

The word is a single syllable, so the stress is on the entire word.

押韵词

gate late plate state mate date fate weight

常见错误

Pronouncing the 'a' as a short 'a' (like 'rat').
Adding an extra syllable at the end.
Confusing the pronunciation with 'write' or 'right'.
Making the 'r' sound too much like an 'l'.
Dropping the final 't' sound completely.

难度评级

阅读 2/5

The word is common in news and simple texts.

写作 3/5

Requires knowledge of prepositions like 'at' and 'of'.

口语 2/5

Common in daily life and easy to pronounce.

听力 2/5

Clearly pronounced and used frequently in broadcasts.

接下来学什么

前置知识

price speed time number fast

接下来学习

ratio proportion percentage statistics inflation

高级

derivative velocity acceleration coefficient index

需要掌握的语法

Using 'at' with rate

The car was moving at a rate of 60 mph.

Using 'of' with rate

The rate of inflation is rising.

Compound nouns with rate

The interest rate is very high.

Adjective placement

A rapid rate of growth was observed.

Pluralization of rates

The bank offers various interest rates.

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按水平分级的例句

The hotel room rate is fifty dollars.

Le prix de la chambre d'hôtel est de cinquante dollars.

Here 'rate' is a singular noun meaning price.

He runs at a slow rate.

Il court à une allure lente.

Used with 'at a' to describe speed.

What is the rate for one hour?

Quel est le tarif pour une heure ?

Commonly used to ask about the cost of time.

The water flows at a steady rate.

L'eau coule à un débit régulier.

'Steady' is a common adjective used with 'rate'.

Check the exchange rate before you go.

Vérifiez le taux de change avant de partir.

'Exchange rate' is a very common compound noun.

The heart rate is normal.

Le rythme cardiaque est normal.

'Heart rate' refers to the speed of the heart.

The growth rate of the plant is fast.

Le taux de croissance de la plante est rapide.

'Growth rate' describes how fast something grows.

At this rate, we will be late.

À ce rythme, nous serons en retard.

'At this rate' is a common phrase for predictions.

The interest rate on my loan is 4%.

Le taux d'intérêt de mon prêt est de 4 %.

Used in financial contexts to describe a percentage.

The car was traveling at a high rate of speed.

La voiture roulait à une vitesse élevée.

'Rate of speed' is a formal way to say speed.

The birth rate in the country is falling.

Le taux de natalité dans le pays est en baisse.

Used in statistics to describe population changes.

The hourly rate for the job is twenty dollars.

Le taux horaire pour le travail est de vingt dollars.

'Hourly rate' is a standard term for pay.

The success rate of the test was very high.

Le taux de réussite du test était très élevé.

'Success rate' measures how often something succeeds.

The unemployment rate is a big problem.

Le taux de chômage est un gros problème.

A common term in news and economics.

The machine produces parts at a rate of ten per minute.

La machine produit des pièces à raison de dix par minute.

Used to describe production speed.

The tax rate depends on your income.

Le taux d'imposition dépend de vos revenus.

'Tax rate' is the percentage of tax paid.

The inflation rate has increased significantly this year.

Le taux d'inflation a considérablement augmenté cette année.

Describes the speed at which prices rise.

At any rate, we should finish the work by Friday.

En tout cas, nous devrions finir le travail d'ici vendredi.

'At any rate' is an idiom meaning 'anyway'.

The crime rate in the city has dropped recently.

Le taux de criminalité dans la ville a baissé récemment.

Used to describe the frequency of crimes.

The company has a high turnover rate of employees.

L'entreprise a un taux de rotation du personnel élevé.

'Turnover rate' refers to how often people leave a job.

The heart rate monitor showed a steady pulse.

Le moniteur de fréquence cardiaque affichait un pouls régulier.

Used in medical and fitness contexts.

The exchange rate for the Euro is very favorable today.

Le taux de change de l'euro est très favorable aujourd'hui.

Refers to the value of one currency against another.

The survival rate for this disease has improved.

Le taux de survie pour cette maladie s'est amélioré.

A statistical measure in medicine.

The flat rate for the delivery is ten dollars.

Le tarif forfaitaire pour la livraison est de dix dollars.

'Flat rate' means a single, fixed price.

The rate of technological change is accelerating every year.

Le rythme du changement technologique s'accélère chaque année.

Describes the speed of an abstract process.

The central bank decided to cut the interest rate to stimulate the economy.

La banque centrale a décidé de réduire le taux d'intérêt pour stimuler l'économie.

A common phrase in financial news.

The literacy rate in the region has improved due to new schools.

Le taux d'alphabétisation dans la région s'est amélioré grâce aux nouvelles écoles.

A social statistic measuring education.

The chemical reaction occurs at a much faster rate when heated.

La réaction chimique se produit à une vitesse beaucoup plus rapide lorsqu'elle est chauffée.

Used in scientific descriptions of processes.

The burn rate of the startup was higher than expected.

Le taux de consommation de trésorerie de la startup était plus élevé que prévu.

A business term for spending venture capital.

The mortality rate from the virus was lower than initially feared.

Le taux de mortalité dû au virus était inférieur à ce que l'on craignait initialement.

A formal term for the frequency of deaths.

The exchange rate fluctuations have made international trade difficult.

Les fluctuations du taux de change ont rendu le commerce international difficile.

Refers to the changing value of currencies.

The absorption rate of the medicine is affected by food.

Le taux d'absorption du médicament est affecté par la nourriture.

A technical term in pharmacology.

The marginal tax rate for high earners is a subject of intense debate.

Le taux marginal d'imposition pour les hauts revenus est un sujet de débat intense.

A specific economic term for tax brackets.

The rate of urban decay in the inner city is a major concern for the mayor.

Le rythme du déclin urbain dans les quartiers défavorisés est une préoccupation majeure pour le maire.

Describes the speed of a complex social process.

The data transfer rate is limited by the quality of the cables.

Le débit de transfert de données est limité par la qualité des câbles.

A technical term in computing and telecommunications.

The discount rate used in the calculation significantly affects the final result.

Le taux d'actualisation utilisé dans le calcul affecte considérablement le résultat final.

A technical term in finance and accounting.

The rate at which information is processed by the brain is incredibly high.

La vitesse à laquelle l'information est traitée par le cerveau est incroyablement élevée.

A formal way to describe cognitive speed.

The utilization rate of the factory's equipment has reached ninety percent.

Le taux d'utilisation de l'équipement de l'usine a atteint quatre-vingt-dix pour cent.

A business term for how much equipment is being used.

The growth rate of the economy is expected to slow down next year.

Le taux de croissance de l'économie devrait ralentir l'année prochaine.

A standard term in macroeconomic analysis.

The incidence rate of the disease varies across different demographics.

Le taux d'incidence de la maladie varie selon les différents groupes démographiques.

A formal epidemiological term.

The rate of entropy in the universe is a fundamental concept in physics.

Le taux d'entropie dans l'univers est un concept fondamental en physique.

A highly technical scientific application.

The convergence rate of the algorithm determines its efficiency in solving problems.

Le taux de convergence de l'algorithme détermine son efficacité à résoudre des problèmes.

A technical term in computer science and mathematics.

The sheer rate of change in the geopolitical landscape is dizzying.

Le rythme effréné du changement dans le paysage géopolitique est vertigineux.

Used to emphasize the extreme speed of change.

The capitalization rate is a key metric for real estate investors.

Le taux de capitalisation est un indicateur clé pour les investisseurs immobiliers.

A specialized term in real estate finance.

The rate of linguistic evolution has been accelerated by the internet.

Le rythme de l'évolution linguistique a été accéléré par Internet.

Describes the speed of cultural and social change.

The metabolic rate of the hummingbird is among the highest in the animal kingdom.

Le taux métabolique du colibri est l'un des plus élevés du règne animal.

A technical biological term.

The interest rate parity theory explains the relationship between exchange rates and interest rates.

La théorie de la parité des taux d'intérêt explique la relation entre les taux de change et les taux d'intérêt.

A highly specialized economic theory.

The rate of sedimentation in the river delta has changed due to the dam.

Le taux de sédimentation dans le delta du fleuve a changé à cause du barrage.

A technical term in geology and environmental science.

近义词

speed pace frequency ratio velocity price

反义词

stagnation inactivity

常见搭配

interest rate

heart rate

exchange rate

growth rate

unemployment rate

at a rate of

birth rate

success rate

hourly rate

tax rate

常用短语

at any rate

— Used to mean 'anyway' or 'in any case'. It helps to move a conversation forward.

I might be late, but at any rate, I will be there.

at this rate

— Used to make a prediction based on the current speed or situation.

At this rate, we will finish the project early.

first-rate

— Of the highest quality or excellence.

The service at the restaurant was first-rate.

flat rate

— A single fixed fee that does not change based on usage or time.

The taxi driver offered a flat rate to the airport.

rack rate

— The official or advertised price of a hotel room before discounts.

Nobody ever pays the full rack rate for a room.

burn rate

— The speed at which a new company spends its capital.

The startup needs more funding because its burn rate is too high.

prime rate

— The lowest rate of interest at which money may be borrowed commercially.

The bank's prime rate is currently 3.25%.

going rate

— The current standard price for something.

Fifty dollars an hour is the going rate for a tutor.

mortality rate

— The number of deaths in a given area or period.

The mortality rate from the disease has decreased.

flow rate

— The volume of fluid which passes per unit time.

The engineer measured the flow rate of the river.

容易混淆的词

rate vs rating

A rating is a score for quality, while a rate is a measurement of speed or cost.

rate vs ratio

A ratio compares two similar things, while a rate compares two different units.

rate vs price

Price is for a single item, while rate is often for a service over time.

习语与表达

"at any rate"

— Whatever happens or may have happened; anyway.

It's a long way, but at any rate, we have a car.

informal

"second-rate"

— Of mediocre or inferior quality.

I don't want to stay in a second-rate hotel.

neutral

"cut-rate"

— Offered at a price lower than the usual one; cheap.

They bought cut-rate tickets for the concert.

informal

"at a rate of knots"

— Very quickly (British English).

She was working at a rate of knots to finish the report.

informal

"bank rate"

— The interest rate set by a central bank.

The bank rate was lowered to encourage spending.

formal

"birth rate"

— The number of live births per thousand of population per year.

The birth rate is a key demographic indicator.

formal

"crime rate"

— The ratio of crimes in an area to the population of that area.

The city's crime rate has been falling for years.

neutral

"death rate"

— The ratio of deaths to the population of a particular area.

The death rate increased during the winter months.

neutral

"discount rate"

— The interest rate used in discounted cash flow analysis.

A higher discount rate reduces the present value.

formal

"interest rate"

— The proportion of a loan that is charged as interest to the borrower.

The interest rate on my mortgage is fixed.

neutral

容易混淆

rate vs rating

They look similar and both involve numbers.

Rate is a speed or cost (e.g., interest rate). Rating is an evaluation (e.g., a 5-star rating).

The movie has a high rating, but the rate of ticket sales is low.

rate vs ratio

Both involve comparing two numbers.

Ratio is a relationship between two amounts of the same unit. Rate is a relationship between different units (like miles and hours).

The ratio of boys to girls is 1:1, but the rate of learning is different for everyone.

rate vs pace

Both describe speed.

Pace is usually for the rhythm of an activity like walking. Rate is more mathematical or statistical.

He walked at a steady pace, but his heart rate was increasing.

rate vs speed

They are often used as synonyms.

Speed is for physical motion. Rate is for abstract changes or costs.

The car's speed was 60 mph, which is a high rate of travel.

rate vs tariff

Both refer to costs.

Tariff is a specific type of rate for taxes or utilities. Rate is more general.

The electricity tariff is the rate you pay for power.

句型

The [Noun] rate is [Number].

The room rate is $100.

At a [Adjective] rate.

At a fast rate.

The rate of [Noun] is [Adjective].

The rate of inflation is high.

At a rate of [Number] per [Time].

At a rate of 50 miles per hour.

The rate at which [Clause].

The rate at which the climate is changing is alarming.

A [Adjective] rate of [Noun].

A staggering rate of urban expansion.

What is the [Noun] rate?

What is the exchange rate?

At this rate, [Clause].

At this rate, we will be finished by noon.

词族

名词

rate

rating

ratio

overrate

underrate

动词

rate

overrate

underrate

形容词

rated

rating

first-rate

second-rate

如何使用

frequency

Commonly used in news, business, and science.

常见错误

The movie has a good rate. → The movie has a good rating.
A 'rating' is an evaluation of quality. A 'rate' is a measurement of speed or cost.
He was driving in a fast rate. → He was driving at a fast rate.
The correct preposition to use with 'rate' when describing speed is 'at'.
What is the rate of this book? → What is the price of this book?
Use 'price' for individual items. Use 'rate' for services or standardized costs.
The interest rating is 5%. → The interest rate is 5%.
In finance, the percentage charged for a loan is always called an 'interest rate'.
In any rate, I will be there. → At any rate, I will be there.
'At any rate' is a fixed idiom. You cannot change the preposition 'at'.

小贴士

Use the right preposition

Always use 'at' when describing the speed of something (e.g., 'at a rate of'). Using 'in' or 'with' is a common mistake for learners.

Rate vs. Price

Use 'price' for a single object you buy. Use 'rate' for a service that has a standard cost over time, like a hotel room or a lawyer's time.

Transitioning

Use 'at any rate' when you want to summarize your point and move on to the next topic in a conversation. It makes you sound more natural.

Precision

In academic writing, use 'rate' to describe trends and statistics. It sounds more professional than using 'number' or 'amount' when talking about proportions.

News keywords

When listening to financial news, 'rate' is a keyword. If you hear 'the rate remains unchanged', it means the central bank didn't move interest rates.

At this rate

Use 'at this rate' to express concern if something is going too slowly or optimism if something is going quickly. It's a very common idiomatic expression.

Heart Rate

When talking about fitness, 'heart rate' is the standard term. You will see this on smartwatches and gym equipment everywhere.

Hourly Rate

If you are a freelancer, always be ready to state your 'hourly rate'. This is the standard way to discuss pay in many professional fields.

Exchange Rate

Always check the 'exchange rate' before you travel to avoid surprises. Banks and airports often have different rates.

First-rate

Use 'first-rate' to give a very high compliment to a service, a performance, or a product. It's a sophisticated way to say 'excellent'.

记住它

记忆技巧

Think of 'Rate' as 'Ratio + Time'. It's a measurement of how much happens within a certain amount of time.

视觉联想

Imagine a speedometer on a car or a heart monitor in a hospital. Both of these show a 'rate'.

Word Web

Interest Heart Speed Exchange Growth Birth Tax Hourly

挑战

Try to find three different 'rates' in a newspaper today. Look for interest rates, crime rates, or exchange rates.

词源

The word 'rate' comes from the Old French word 'rate', which itself is derived from the Medieval Latin 'rata' (meaning 'fixed amount' or 'proportion'). This Latin term comes from the phrase 'pro rata parte', meaning 'according to a fixed part'.

原始含义： The original meaning in the 14th century was a 'fixed payment' or a 'value' assigned to something.

It belongs to the Indo-European family, specifically the Italic branch via Latin.

文化背景

Be careful when discussing 'mortality rates' or 'crime rates' as these can be sensitive topics in certain social contexts.

In the UK, 'rates' can also refer to a type of local tax paid by businesses on their property.

The 'Federal Funds Rate' is a key economic indicator in the US. The 'Survival Rate' is a common term in medical dramas like Grey's Anatomy. The song 'Heart Rate' by various artists often uses the term metaphorically.

在生活中练习

真实语境

Banking

interest rate
mortgage rate
savings rate
prime rate

Health

heart rate
pulse rate
metabolic rate
respiratory rate

Travel

exchange rate
room rate
daily rate
rack rate

Science

rate of reaction
growth rate
decay rate
flow rate

Society

unemployment rate
crime rate
birth rate
literacy rate

对话开场白

"What is the current interest rate for a savings account in your country?"

"Do you think the pace of life is too fast at the current rate?"

"Have you checked the exchange rate before your last trip?"

"What do you think is a fair hourly rate for a freelance designer?"

"How do you track your heart rate when you exercise?"

日记主题

Describe a time when you felt the rate of change in your life was too fast.

Write about how the interest rate affects your personal financial goals.

Reflect on the success rate of a project you recently completed.

How does the unemployment rate in your city impact the local community?

Discuss the rate of technological progress and its effect on your daily routine.

常见问题

10 个问题

A rate is a measurement of speed, frequency, or cost (e.g., interest rate). A rating is an evaluation of quality (e.g., a movie rating). You use 'rate' for quantities and 'rating' for scores.

It means 'anyway' or 'in any case'. For example: 'I don't know if she's coming, but at any rate, we should start the meeting.' It's a great way to transition.

It can be both. As a noun, it's a measurement (e.g., heart rate). As a verb, it means to judge or score something (e.g., 'I would rate this book 5 stars').

It is used to make a prediction based on the current situation. For example: 'At this rate, we will finish the work by 5 PM.' It implies that if things continue as they are, a certain result will happen.

No, that is incorrect. You should say 'the price of the apple'. 'Rate' is used for standardized costs or services over time, like an 'hourly rate' or 'room rate'.

It is the percentage of a loan that a bank charges you to borrow money, or the percentage they pay you for keeping money in a savings account.

It is the value of one currency for the purpose of conversion to another. For example, how many Euros you get for one US Dollar.

Yes, 'rate' is a countable noun. You can talk about one rate or multiple rates (e.g., 'The bank offers different interest rates').

It is an adjective that means something is of the very best quality. For example, 'The hotel provided first-rate service'.

It is a statistic that shows the number of babies born per 1,000 people in a population over a specific year.

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