| 单词 | sedative-hypnotic |
| 释义 | sed·a·tive-hyp·not·ic (sĕd′ə-tĭv-hĭp-nŏtĭk) n. A drug, such as a barbiturate or antianxiety agent, that depresses the activity of the central nervous system and is used to relieve anxiety and induce sleep. |
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