单词：tranquilizers
音标：['træŋkwɪlaɪzə] ；
n. 镇定剂；使镇定的人或物
n. a drug used to reduce stress or tension without reducing mental clarity
tranquilizers的用法和样例：
例句
- He finally simmered down after having taken the tranquilizers.服过镇静剂之后，他终于冷静下来。
- A wide variety of mild sedatives and tranquilizers have become available.现在有许多种镇静剂和安定剂。