| 词汇 | 镇定 |
| 释义 | 镇定镇定[zhèn dìng]1.■calm; cool; composed; unperturbed; unruffled:保持镇定keep cool; remain calm; keep one's head;神色镇定be calm and collected; show composure and presence of mind;镇定下来calm down; calm oneself; compose oneself 常用词组1.■镇定物 ballast;2.■镇定药 tranquilizer |
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