tranquilizers
n. 镇定剂;使镇定的人或物
例句
He passed out on tranquilizers.
他在镇静剂上昏厥。
Maybe you need some tranquilizers.
也许你需要一些镇定剂。
Tranquilizers often ease nervous tension.
镇静剂可以缓解神经紧张。