allergic reaction
过敏反应
双语对照
词典结果：
allergic reaction[英][?l?:d?k ri?k?n][美][?l?d?k ri?k?n]
变态反应;
例句:
1.
Very rarely, side effects are serious, such as an allergic reaction.
极少数情况下有严重的副作用，比如过敏反应。
2.
It was probably an allergic reaction, he told her, and gave her a different antibiotic.
他告诉她这可能是过敏，并开给她一种不同的抗生素。