| 单词 | radioactive carbon |
| 释义 | radioactive carbonradiocarbonAny of the radionuclides of carbon, the most common of which are 11C, which has a half-life of 20 minutes, and the beta-emitting 14C, which has a half-life of 5,730 years and is used to date archaeological, geological and hydrogeological material. |
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