carbon dating
柯林斯词典
1. N-UNCOUNT Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains. 放射性碳素斷代; 碳定年法
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carbon dating
剑桥词典
- a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them
（計算古物年代的）碳年代測定法，碳定年法 返回 carbon dating