ataraxic英美n. 安定药adj. 镇静剂的，镇静作用的英英释义adjtending to soothe or tranquilizevalium has a tranquilizing effecttook a hot drink with sedative properties before going to bedSynonym:ataracticsedativetranquilizingtranquillizingtranquilisingtranquillising
