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“玄武巖”的拼音為：xuán wǔ yán...

玄武巖是最普通的火山巖.Basalt is the commonest volcanic rock.需要用玄武巖來鋪設(shè)路面或修防洪堤.Basalt is needed to surface a road or to build a break water.所有的跡象只表明海洋地殼處都是玄武巖質(zhì)的,組成也比較穩(wěn)定.All indications are that it is everywhere basaltic and relative...

“玄武巖”的英語可以翻譯為：asalt ...