-
1. The car's brakes were not working properly, causing it to bounce back and forth on the road.
汽车的刹车出了问题，导致它在道路上来回弹跳。
-
2. The ball rebounded off the wall and rolled into the net.
球从墙上弹回来，滚进了网里。
-
3. The ice skaters had a great time skating together, bouncing back and forth with each other.
滑冰者们在一起玩得很开心，彼此之间来回弹跳。