| 单词 | 过敏原 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔SIGN〕The daily pollen count can give a good indication of the amount of allergens in the air. 每日花粉指数可以很好地反映出空气中过敏原有多少。朗文写作活用〔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〔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〔dander〕Scurf from the coat or feathers of various animals, often of an allergenic nature.毛屑：从大衣或动物羽毛上掉下来的屑，经常是过敏原的美国传统〔patch test〕A test for allergic sensitivity in which a suspected allergen is applied to the skin on a small surgical pad.斑片试验，皮肤接触试验：一种测定过敏性的试验，把一种受怀疑的过敏原涂在外科手术用的小垫上敷于皮肤上美国传统〔scratch test〕A test for allergy performed by scratching the skin and applying an allergen to the wound.划痕试验：通过在皮肤上划痕并把过敏原放在伤口上来检验过敏性的试验美国传统〔sensitize〕If you have become sensitized to an allergen, even an extremely small amount of the allergen in your environment can trigger an attack.如果对某种过敏原敏感，那么即便是生活环境中极微量的这种过敏原也能引起过敏。韦氏高阶 |
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