pile down
英
美
- down adv.向下prep.沿着...而下adj.向下的;消沉的;无礼的n.绒毛;汗毛v.击倒;打败;吞下;被抑制
- pile n.堆;大量;绒面;桩;大笔钱财高大的旧建筑v.堆积;积累;拥入;夸张
用作名词 (n.)
- But as the universe cooled down and thinned out, the collisions became less violent, and the process ground to a halt.
但是当宇宙冷却且变得稀薄后,上述过程便逐渐停下来。