不同的实验室正在对这些猛犸象骨骼进行放射性碳测定，以更加精确地得知这些化石的年龄。

Various labs are doing radiocarbon-dating of the bones to more precisely date them.

youdao

不同的实验室正在对这些猛犸象骨骼进行放射性碳测定，以更加精确地得知这些化石的年龄。

Various labs are doing radiocarbon-dating of the bones to more precisely date them.

youdao