大部分的大陆架的活动发生在深水下的大洋洋底的海脊。
Much of the activity between the continental shelves takes place deep underwater at the mid-ocean ridges.
她说她已经用完了，就是还要登陆一下“The Face”。半小时以后，她洋洋得意的走出书房，跟我说她知道怎么登陆退出了，所以以后就不用我帮忙了。
She said she was done she only had to sign off of "the face" Half an hour later, she came out of the room, proudly proclaiming that she had figured out how to sign off without my help.
二亿五千万年后：“终极泛大陆”形成由于北大西洋和南大西洋洋底板块俯冲到美洲东部之下，“终极泛大陆”将最终形成。
The next Pangea, "Pangea Ultima" will form as a result of the subduction of the ocean floor of the North and South Atlantic beneath eastern North America and South America.
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