另一种可能是下沉的板块冷却了邻近的地幔，并产生对流，使板块移动。
Another possibility is that the sinking plate cools the neighboring mantle and produces convection currents that move the plates.
看来，板块上侧冷却的地幔物质的下沉流可能是造成这种深盆地的原因。
It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins.
一旦海洋板块开始下沉，它就会受到另一种力量——板块拉力的影响。
Once the ocean plate begins to sink, it would be affected by another force—slab pull.
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