| 单词 | half-life |
| 释义 | half-life half-life, half life n: (radioactivity decrease) (物理) SC 半衰期 bàn shuāi qī The half-life of uranium-238 is about 4.47 billion years. half-life, half life n: (finance: principal decrease) (金融) SC 半衰期 bàn shuāi qī The time taken to repay half the mortgage debt is referred to here as the half-life of the mortgage. |
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