熔岩穹丘

róng yán qióng qiū

释义

magma dome

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汉字

熔róngmold; to fuse, to melt, to smelt火容岩yáncliff; rocks; mountain山石穹qióngvast, lofty, high; vault, dome, arch穴弓丘qiūmound, hill; surname斤一