煤炭是人们最早大规模开采的矿物质之一,其目的是为供暖提供原料。Coal was one of the first minerals to be mined on

游客2025-03-15  1

问题 煤炭是人们最早大规模开采的矿物质之一,其目的是为供暖提供原料。

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答案 Coal was one of the first minerals to be mined on a big scale,to provide fuel for heating homes.

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