a tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning
例句
用作名词 (n.)
Valium is usually prescribed to treat anxiety. 安定剂通常用于治疗焦躁。
Christmas morning for him is all about martinis and valium. 圣诞节的早晨对他来说就是马提尼酒和安定药片而已。