tranquillisers 

英汉解释

n. 镇静剂；安定药

同义词

n. antianxiety agent，ataractic，ataractic agent，ataractic drug

参考例句

1. Tranquillisers or anti-depressants, to alleviate the stress of being American.
镇静药和抗抑郁药，以减轻做美国人的压力。
2. The two most commonly used drugs are said to be tranquillisers and corticosteroids.
2种最常使用的药物据说是镇静剂与皮质类固醇。