Hints： 只听写例句。前面的单词不用听写。注意有一个"-"符号。
As the plates diverge from a mid-ocean ridge they slide on a more yielding layer at the base of the lithosphere.
当板块从中海脊脱离时，它们滑向在岩石圈基部较易变形的地层上。 ——译文来自: sweetySally