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单词
radio-carbon
释义
[/ˏredɪəu ˈkɑːbən; ˏredɪoˋkɑrbən/] n [U] radioactive form of carbon present in organic materials, used in carbon dating 放射性碳(有机材料中碳元素的放射性形式, 用以测定某物的年代).
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更新时间:2025/4/2 3:36:21