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来源:雅诚德英语网
As we've discussed, Earth's crust is made up of large plates that rest on a mantle of molten rock.
正如我们讨论过的,地壳由位于熔融岩石的地幔上的大型板块构成。
As we've discussed, Earth's crust is made up of large plates that rest on a mantle of molten rock.
正如我们讨论过的,地壳由位于熔融岩石的地幔上的大型板块构成。