1.
as the rock rolled down, it gathered momentum.
岩石滚下山坡时，冲力愈来愈大。
2.
Big rocks were bounding down.
巨石从上面滚滚而下。
3.
The stones have been rounded by the action of water.
那些石头由于水的作用而变得圆滚滚。
4.
Big rocks were bounding down the side of the hill.
大石头从山边滚下。
5.
bound down the hillside
(岩石)从山坡上滚下来
6.
Rocks rolled down the hillside.
岩石沿着山坡滚下来。
7.
and the stone rolled on top of the hole.
石头就滚到了洞口上方。
8.
Rocks and stones were rolling down the hillside.
岩石和碎石沿着山坡滚下。
9.
Pieces of rock plummeted down the mountainside to the ground below.
岩石一块块顺着山的陡坡滚落到地面.
10.
Pieces of rock plummet down the mountainside to the ground below .
岩石一块块顺著山的陡坡滚落到地面。
11.
Piefer of rock plummet down the mountainside to the grind below
岩石一块块顺著山的陡坡滚落到地面
12.
We play a game together called @Roll the Stones.
我们一起玩滚石子的游戏。
13.
Loose rocks rained down (the hillside).
松动的岩石大量滚下（山坡）.
14.
water sizzling as it falls on a hot rock
落在滚烫的石头上唝唝作响的水
15.
Small diamonds would stick to the meat as it rolled along,
肉块滚动时，小颗钻石会粘在肉块上，
16.
The stone rolled down the mountain by gravity.
这块石头由于重力作用而滚下山。
17.
mark aimed at in certain games,eg quoits,bowls,curling
（掷环、滚木球、冰上溜石游戏的） 目标.
18.
A rolling stone gathers no moss.-- Thomas Heywood
滚石不生苔，转业不聚财。——海伍德