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词汇 carbon dating
释义

carbon dating

noun
/ˌkɑːbən ˈdeɪtɪŋ/
/ˌkɑːrbən ˈdeɪtɪŋ/
(also formal radiocarbon dating)
[uncountable]
  1. a method of calculating the age of very old objects by measuring the amounts of different forms of carbon in them碳定年法(根据测定古物不同形态的碳含量以计算年代)
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