柯林斯詞典tranquilizer /?tr??kw?la?z?/ (tranquilizers) 1. N-COUNT A tranquilizer is a drug that makes people feel calmer or less anxious. Tranquilizers are sometimes used to make people or animals become sleepy or unconscious. 鎮(zhèn)靜劑 If a tranquilizer is prescribed, be sure your physician informs you of its possible side effects, such as addiction. 如果開了鎮(zhèn)靜劑，一定要讓毉生告訴你它可能帶來的副作用，例如上癮。 返回 tranquilizer