| 单词 | Half-Lifes |
| 释义 | Half-Lifes《英文msh词典》Half-Lifes [入口词] Half-Lifes [主题词] Half-Life [英文释义] The time it takes for a substance (drug,radioactive nuclide,or other) to lose half of its pharmacologic,physiologic,or radiologic activity. |
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