| 单词 | Placidyl |
| 释义 | Placidyl (once / 656629 pages) n WORD FAMILY Placidyl n a mild sedative-hypnotic drug (trade name Placidyl) Syn|Hyper ethchlorvynol sedative-hypnotic, sedative-hypnotic drug a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep |
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