reverse gear block

例句：

1. 1. The car's engine is so loud that it's hard to hear the radio when you're driving in reverse gear.
   这辆车的引擎声音太大，当你在倒档时很难听收音机。
2. 2. The mechanic replaced the broken gear in the car with a new one, which made the car run smoothly again.
   机械师用一个新的来替换汽车中的损坏的齿轮，使汽车再次顺畅运行。
3. 3. When the car was parked at the side of the road, the driver had to reverse gear to get out of the parking space.
   当汽车停在路边时，司机不得不使用倒档才能从停车位出来。