当冰河时代开始时，大陆上的冰原逐渐增大，从海洋中蒸发出来的水逐渐减少，而这些水最终又会回到陆地上。
When an ice age begins, the continental ice sheets grow, steadily reducing the amount of water evaporated from the ocean that will eventually return to it.
因而它的历史相对最近，从地质条件来看，相对其它冰河时代我们可以更加详尽地研究这一冰河时代。
So its history is relatively recent, in geological terms, and can be studied in far more detail than the others'.
因而它的历史相对最近，从地质条件来看，相对其它冰河时代我们可以更加详尽地研究这一冰河时代。
So its history is relatively recent, in geological terms, and can be studied in far more detail than the others'.
应用推荐