“地壳”造句

大陆地壳最古老的部分有40亿年历史。
The most ancient parts of the continental crust are 4000 million years old.

在地壳深处,温度如此之高,可能足以将岩石熔化.
Deep in the earth's crust the rock may be subjected to temperatures high enough to melt it.

地层学研究地壳中岩石的层序.
Stratigraphy studies the sequence of the rocks in the earth's crust.

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