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来源:雅诚德英语网
This portion of the N American continent moves in concert with the S American roll, putting the N American continent under an excruciating bow stress prior to its anticipated New Madrid adjustment.
北美大陆的这一部分会随着南美滚动,在预期的新马德里调整之前使北美大陆处在痛苦的弓形压力之下。