The spellings tranquilizer in American English, and tranquilliser in British English, are also used. 美国英语亦拼作 tranquilizer,英国英语亦拼作 tranquilliser。
N-COUNT 安定药;镇静剂 A
tranquillizer is a drug that makes people feel calmer or less anxious. Tranquillizers are sometimes used to make people or animals become sleepy or unconscious.
安定药;镇静剂 View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years