Pollen is the reproductive powder of plants that often causes seasonal allergies.
Wort in 30 Sekunden
- Pollen is a fine powder produced by seed plants for reproduction.
- It is often associated with seasonal allergies in humans.
- Commonly discussed during spring when plants are blooming.
Overview
- 1概览:花粉(Pollen)是植物的雄性生殖细胞,通常呈现为微小的黄色或褐色粉末。在自然界中,花粉通过风、昆虫或水进行传播,以完成植物的受精过程。对于人类而言,花粉既是自然生态的重要组成部分,也是许多过敏性疾病的主要诱因。
常见语境:该词多出现在气象预报(如花粉浓度预警)、医学健康(讨论过敏症状)以及生物学教学中。在春季,媒体常会报道“花粉季”或“花粉浓度”,提醒易感人群采取防护措施。
- 1近义词辨析:与“花粉”相关的词汇包括“种子”、“孢子”和“花粉症”。“花粉症”特指由花粉引起的过敏性鼻炎等病症。相比之下,“花粉”本身是一个中性术语,描述的是物质本身,而“花粉症”则侧重于其带来的健康影响。
Beispiele
春天到了,空气中到处都是花粉。
everydaySpring has arrived, and there is pollen everywhere in the air.
由于花粉浓度过高,建议易感人群减少户外活动。
formalDue to high pollen concentrations, sensitive individuals are advised to reduce outdoor activities.
我一出门就打喷嚏,肯定是花粉在作怪。
informalI start sneezing as soon as I go out; it must be the pollen.
风媒传粉植物产生的花粉量通常远大于虫媒植物。
academicThe amount of pollen produced by wind-pollinated plants is usually much greater than that of insect-pollinated plants.
Häufige Kollokationen
Häufige Phrasen
花粉季节
pollen season
吸入花粉
inhale pollen
花粉预警
pollen warning
Wird oft verwechselt mit
Pollen refers to the substance itself, while pollenosis refers to the medical condition or disease caused by an allergic reaction to pollen.
Grammatikmuster
How to Use It
Nutzungshinweise
The word is neutral and used in both scientific and everyday contexts. When discussing health, it is often paired with 'allergy' (过敏). It is a standard term that does not carry specific slang meanings.
Häufige Fehler
Learners often confuse 'pollen' with 'dust' (灰尘). While both are particles in the air, pollen is biological and seasonal. Ensure to use the correct measure word if needed, though it is usually uncountable.
Tips
Use context to identify pollen sources
Pay attention to the season and the weather forecast. High pollen counts usually occur on dry and windy days.
Seek medical help for severe allergies
If you experience difficulty breathing after exposure to pollen, consult a doctor immediately. Do not ignore severe allergic reactions.
Pollen as a symbol of spring
In many cultures, the presence of pollen signifies the arrival of spring and new life. It is a common motif in seasonal art.
Wortherkunft
The word is formed from '花' (flower) and '粉' (powder). It literally translates to 'flower powder', describing its physical appearance perfectly.
Kultureller Kontext
In East Asian culture, pollen is associated with the beauty of spring but also the physical discomfort of the season. Public awareness of pollen counts has increased significantly in recent years.
Merkhilfe
Think of 'flower powder' (花粉). If you see flowers blooming, you know there is pollen in the air.
Häufig gestellte Fragen
4 Fragen因为春天是大多数植物的开花期,空气中漂浮的花粉浓度极高。敏感人群吸入这些花粉后,免疫系统会产生过度反应,从而导致打喷嚏、流鼻涕等症状。
部分经过处理的蜂花粉被认为具有营养价值,可以作为保健品食用。但对于有过敏史的人群,应谨慎尝试,以免引发严重的过敏反应。
在花粉高发季节,出门时可以佩戴口罩和防护眼镜。回家后及时清洗面部和更换衣物,减少花粉在身上的残留。
并非所有花粉都会引起过敏。通常引起过敏的是风媒花的花粉,因为它们重量轻、数量多且容易随风传播,更容易进入呼吸道。
Teste dich selbst
春天空气中的___浓度很高,容易引起过敏。
根据语境,引起过敏的常见物质是花粉。
关于花粉,以下哪种说法是正确的?
这是生物学上的定义,其他选项均不准确。
过敏 / 花粉 / 我 / 对 / 严重
正确的语序是主语+介词短语+程度副词+形容词。
Ergebnis: /3
Summary
Pollen is the reproductive powder of plants that often causes seasonal allergies.
- Pollen is a fine powder produced by seed plants for reproduction.
- It is often associated with seasonal allergies in humans.
- Commonly discussed during spring when plants are blooming.
Use context to identify pollen sources
Pay attention to the season and the weather forecast. High pollen counts usually occur on dry and windy days.
Seek medical help for severe allergies
If you experience difficulty breathing after exposure to pollen, consult a doctor immediately. Do not ignore severe allergic reactions.
Pollen as a symbol of spring
In many cultures, the presence of pollen signifies the arrival of spring and new life. It is a common motif in seasonal art.
Beispiele
4 von 4春天到了,空气中到处都是花粉。
Spring has arrived, and there is pollen everywhere in the air.
由于花粉浓度过高,建议易感人群减少户外活动。
Due to high pollen concentrations, sensitive individuals are advised to reduce outdoor activities.
我一出门就打喷嚏,肯定是花粉在作怪。
I start sneezing as soon as I go out; it must be the pollen.
风媒传粉植物产生的花粉量通常远大于虫媒植物。
The amount of pollen produced by wind-pollinated plants is usually much greater than that of insect-pollinated plants.