adj.使安静的；使镇静的
n.镇静剂；能使安静的东西
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。
n.镇静剂
名词sedative的复数形式.
