allergy
n. 过敏反应，过敏症；厌恶，反感
复数 allergies
例句
I have an allergy to animal hair.
我对动物毛过敏。
《牛津词典》
These are classical examples of food allergy.
这些是食物过敏的典型病例。
This type of allergy can very occasionally be fatal.
这类过敏症在极个别情况下有可能是致命的。
