['sedətiv]
sedative
a. 使安静的,使镇静的
n. 镇静剂,能使安静的东西

例句与用法:

  1. Any of various sedative narcotics containing opium or one or more of its natural or synthetic derivatives.
    鸦片制剂一种含有镇静性的麻醉剂,含有鸦片或一种或多种自然或人工合成的衍生物
  2. I've given him a sedative; that should see him through the night.
    我给了他一片镇静剂,可使他熬过一个夜晚。
  3. The doctor gave him a sedative to help him sleep.
    医生给了他镇静剂帮助他入睡。

英英解释:

名词 sedative:

  1. a drug that reduces excitability and calms a person
  2. 同义词:sedative drug, depressant, downer

形容词 sedative:

  1. tending to soothe or tranquilize
  2. 同义词:ataractic, ataraxic, tranquilizing, tranquilising