Although the hot rock of the mantle is a solid, under the tremendous pressure of the crust and overlying rock of the mantle, it flows like a viscous liquid.
虽然地幔的热岩石是固体,但在地壳和地幔上覆岩石的巨大压力下,它像粘性液体一样流动。
2
Cleaning away the waterlogged site overlying the timbers, archaeologists realized its true nature.
在清理掉覆盖在木材上方的涝渍地后,考古学家意识到了它真正的性质。
3
What happens is that the ice at the base of the glacier is under a great deal of pressure—the pressure coming from the weight of the overlying ice.