单词 radio-carbon 释义 radio-carbonAlso radiocarbon.[f. radio- 3 b + carbon.]1. A radioactive isotope of carbon; spec. = carbon 14, which is formed in trace amounts by the effect of cosmic rays on atmospheric nitrogen. Also ellipt. for radio-carbon datin...
单词 radio-carbon 释义 radio-carbon 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). 英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,...