allergy

/ˈælərʤi/

hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity

中文释义：过敏；过敏反应

His allergy to peanuts is so severe that he carries an epinephrine injector.

他对花生的过敏非常严重，随身携带肾上腺素注射器。

Dust mites are a common cause of indoor allergies.

尘螨是室内过敏的常见原因。