Geodynamics
n. 地球动力学
🗣️ 情景例句
Have you ever been there?
你去过那儿吗？
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，