tranquilizer
US /ˈtræŋ.kwə.laɪ.zɚ/
UK /ˈtræŋ.kwə.laɪ.zɚ/

1.
镇静剂, 安定剂
a medicinal drug taken to reduce tension or anxiety.
:
•
The doctor prescribed a mild tranquilizer to help her sleep.
医生开了一种温和的镇静剂来帮助她入睡。
•
He was given a strong tranquilizer before the surgery.
手术前他被注射了强效镇静剂。