ra·di·o·car·bon dat·ing
noun/ˌreɪdiəʊkɑːbən ˈdeɪtɪŋ/
/ˌreɪdiəʊkɑːrbən ˈdeɪtɪŋ/
[uncountable] (formal)- carbon dating (= a method of calculating the age of very old objects by measuring the amounts of different forms of carbon in them)
碳测年（= 通过测量非常古老的物体中不同形式的碳的含量来计算其年龄的方法）