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. 放射性碳素断代; 碳定年法
返回 carbon dating
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
（计算古物年代的）碳年代测定法，碳定年法 返回 carbon dating