igneous rock
短语[化] 火成岩
发音
其它
词形变化
igneous rocks
复数
igneous rocks
释义与例句
n.
-
1.
One of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive).
岩浆岩
火成岩
可数 不可数 地质