| 释义 |
seda·tiveBrE /ˈsedətɪv/ NAmE /ˈsedətɪv/ noun a drug that makes sb go to sleep or makes them feel calm and relaxed 镇静药SYN tranquillizerdoze , dream , drowsy , insomnia , oversleep , REM , sedative , sleep , soporific , tired ▸ seda·tiveadjective [usually before noun ]◆ the sedative effect of the drug 这药物的镇静效果 |