What is even more important is that asWhat is even more important is that as the earth cooled down,water began to appear on its surface.这句话包含了几个从句,有什么,为什么?
问题描述：
What is even more important is that as
What is even more important is that as the earth cooled down,water began to appear on its surface.这句话包含了几个从句,有什么,为什么?
答