音标:[.reidiәu'kɑ:bәn] ;
n. 放射性碳, 碳-14
[化] 放射性碳
n. a radioactive isotope of carbon
词型变化:名词复数形式 : radiocarbons
词性分布:
名词100%

radiocarbon的用法和样例:

例句

用作名词(n.)
  1. The material in this beach has been dated by radiocarbon.这个海滩上的物质经过放射性碳测定。

词汇搭配

  • radiocarbon dating放射性碳测定年龄,放...
  • carbon dating碳定年
  • radiocarbon age放射性碳龄
  • radiocarbon chronology放射性碳测定年代法,...
  • radiocarbon method放射性碳测定年代法...
【近义词】

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2012年(十月)
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