同根派生 crustal plate相关词英汉例句The theory of plate tectonics holds that the surface of Earth is composed of a dozen or so huge crustal slabs that float on a sea of partially molten rock.板块构造论认为,地球表面由十来个巨大的地壳板块构成,漂浮在浩瀚如海的部分熔岩上。crustal plate更多例句