allergen

'ælәdʒәn

n. any substance that can cause an allergy

n. 变(态反)应原
[化] 过敏素; 变应原

41,067

BNC 频率

17,371

使用频率

“allergen”由前缀“aller-”和后缀“-gen”组成，前者指“引起”的意思，后者表示“产生”的物质。可以理解为“引起过敏的物质”。

例句

1. Some people are allergic to certain foods, which can be a serious allergen.

有些人对某些食物过敏，这可能是一种严重的过敏原。

2. It is important to read labels carefully to avoid allergens in packaged food.

仔细阅读标签以避免包装食品中的过敏原是很重要的。

3. Pollen is a common allergen that affects many people in the spring.

花粉是一个常见的过敏原，在春季影响许多人。