倒退的

例句：

1. 1.The car was moving backwards down the hill.
   汽车正沿着山坡向后移动。
2. 2.He swam backwards to get away from the shark.
   他游向相反的方向以摆脱鲨鱼。
3. 3. The train was moving backwards because of a mechanical failure.
   火车因为机械故障而倒退。