More and more of this plate, the ocean floor, would go down under the continent into the mantle.
越来越多的这种板块,即海床,将在大陆下方进入地幔。
Particles placed at the top of either slope would fall down to the bottom under the pull of gravity. Particles placed at the bottom of either slope would go nowhere.
在重力的拉动下,放在任何一个斜面顶部的粒子都会滚到底部,而放在底部的粒子会保持不动。
Particles placed at the top of either slope would fall down to the bottom under the pull of gravity. Particles placed at the bottom of either slope would go nowhere.
在重力的拉动下,放在任何一个斜面顶部的粒子都会滚到底部,而放在底部的粒子会保持不动。
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