| 释义 |
carbon-14
释义
碳14
例句
1·The particles interfere with the formation of carbon -14 on earth.
这些粒子干扰了地球上碳-14的形成。
2·When there's more solar wind activity, less carbon -14 is produced.
太阳风活动越频繁，产生的碳14就越少。
3·Ten thousand years of tree rings show that the carbon -14 level rises and falls about every 420 years.
一万年的树木年轮显示，碳14水平大约每420年上升和下降一次。
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