劍橋詞典a drug used to make a person or animal calmer 安定藥；鎮(zhèn)靜劑 She was on tranquillizers for a long time after her son died . 兒子死后，她很長(zhǎng)一段時(shí)間一直服用鎮(zhèn)靜劑。 返回 tranquillizer