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来源:雅诚德英语网
But the rock is reasonably widespread, being both the underlying stuff of ocean floors and a common outpouring of terrestrial volcanoes.
但是,这种岩石还是相当广泛,因为它既是海床基本物质,也是常见的陆地火山喷发物。
But the rock is reasonably widespread, being both the underlying stuff of ocean floors and a common outpouring of terrestrial volcanoes.
但是,这种岩石还是相当广泛,因为它既是海床基本物质,也是常见的陆地火山喷发物。