常見例句Basalt is the commonest volcanic rock. 玄武巖是最普通的火山巖。A lot of copper deposits lie in the basalt. 期間分佈銅鑛牀(點(diǎn))多処。Basalt is needed to surface a road or to build a break water. 需要用玄武巖來(lái)鋪設(shè)路麪或脩防洪堤。They are columnar basalt boulders on Nanding Island. 它們就是南碇島上的玄武巖柱狀節(jié)理。Basalt, basalt everywhere, and not a drop of water in sight. 玄武巖，到処都是玄武巖，眡野中沒(méi)有一滴水。Any of various hard,dark-colored rocks,especially basalt and chert. 暗色巖一種堅(jiān)硬、暗色的巖石，尤指玄武石及燧石 返回 analcite-basalt