今天我想讨论我们确定一块土地的年龄或者其他地质学特征的方法-年代测定技术。
Today I want to talk about way at which we are able to determine how old a piece of land or some other geologist feature is-dating techniques.
今天我想讨论我们确定一块土地的年龄或者其他地质学特征的方法-年代测定技术。
Today I want to talk about way at which we are able to determine how old a piece of land or some other geologist feature is-dating techniques.
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