n.碎石
v.鋪碎石；使困惑
The water is infiltrating the gravel bed. 水正滲透進(jìn)碎石底層。
A lonely fisherman stood on a tuft of gravel. 一個(gè)孤單的漁夫站在碎石叢中。
Depressions are usually caused by heavy trucks passing over the gravel. 路面下沉通常是由路過鋪碎石的重型卡車引起的。
