side effect
副作用

例句与用法:

  1. Medicines sometimes have unpleasant side effects.
    药物有时具有令人不快的副作用。
  2. Physical and chemical tests verify that this Recovery Device has neither radioactive pollution nor toxic side effects.
    经理化检验证实:使用该器无放射性污染,对人体绝对无毒无副作用。

英英解释:

名词 side effect:

  1. a secondary and usually adverse effect of a drug or therapy
  2. any adverse and unwanted secondary effect
  3. 同义词:fallout