sedative
/ˈsedətɪv/📚 19559 1GREsatA sedative is a medicine or drug that calms you or makes you sleep. 镇静剂
noun [物质名词][药] 镇静剂；能使安静的东西；止痛药
They use opium as a sedative, rather than as a narcotic.
他们把鸦片作为镇静剂，而不是作为麻醉剂。
adjective [原级]使镇静的；使安静的
It's safe to take a mild sedative.
服用药性不强的镇定剂没有危险。
单词造句: