sedative
adj. 使安静的；使镇静的
n. 镇静剂；能使安静的东西
近义词：narcotic，tranquilizing，depressant，downer，soothing，relaxing，soporific，tranquillizer，sleepy，tranquilizer，ataraxic，tranquilising，sedativedrug，ataractic，tranquillizing，
详细释义
adj.(形容词)
- 使安静的
- （使）镇静的
- 镇定的
- 止痛的
n.(名词)
- 【医】镇静剂，镇静药
- 能使安静的东西
- 止痛药
英英释义
Noun
- a drug that reduces excitability and calms a person
Adjective
- tending to soothe or tranquilize;
"valium has a tranquilizing effect" "took a hot drink with sedative properties before going to bed"
例句
用作形容词(adj.)
- Barbiturates are used for their calming, sedative effects.巴比妥酸盐类具有镇静、安神作用。
- The doctor gave her a sedative medicine and she then slept for eight hours.医生给她一种镇静药后她睡了八小时。
用作名词(n.)
- The doctor gave him a sedative to help him sleep.医生给了他镇静剂帮助他入睡。