| 单词 | 如花粉 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔aeroallergen〕Any of various airborne substances, such as pollen or spores, that can cause an allergic response.空气过敏原：能导致过敏性反应的各类空气传播的物质，如花粉或孢子美国传统〔aerobiology〕The study of the sources, dispersion, and effects of airborne biological materials, such as pollen, spores, and microorganisms.空气生物学：关于空气传播的生物物质，例如花粉、孢子和微生物之起源、分散以及影响的学科美国传统〔airborne〕Many people are allergic to airborne pollutants such as pollen.许多人对空气传播的污染物过敏，比如花粉。柯林斯高阶〔allergen〕A substance, such as pollen, that causes an allergy.变态反应原，过敏原：一种可引起过敏的物质，如花粉美国传统〔microfossil〕A microscopic fossil, as of a pollen grain or unicellular organism.微体化石：一种微小的化石，如花粉粒或单细胞有机体的化石美国传统〔sensitize〕To make hypersensitive or reactive to an antigen, such as pollen, especially by a second or repeated exposure.使过敏：使…对抗尿过敏或敏感，例如花粉，过敏或反应，尤指通过第二次或重复的暴露美国传统 |
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