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单词 carbon dating
释义

carbon dating

noun
/ˌkɑːbən ˈdeɪtɪŋ/
/ˌkɑːrbən ˈdeɪtɪŋ/
(also formal radiocarbon dating)
[uncountable]
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  1. a method of calculating the age of very old objects by measuring the amounts of different forms of carbon in them
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更新时间:2025/3/27 8:51:43