Ject对"sedative" 的正确翻译：adj. 使安静的, 使镇静的；n. 镇静剂, 能使安静的东西。发音：['sedətiv]。例句参考：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；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。；The doctor gave him a sedative to help him sleep. - 医生给了他镇静剂帮助他入睡。；