change gear

• 换档齿轮,变速齿轮,挂轮,变向齿轮,变换齿轮,交换齿轮

change gear的用法和样例：

例句

1. Should change gear the engine's starting to labour.
   你该换挡了－－发动机有些吃不住劲了。
2. How do you tell when to change gear?
   你怎麽确定何时换挡?
3. You should change gear the engine's starting to labour.
   你该换挡了--发动机有些吃不住劲了。
4. Move this lever to change gear.
   换档时扳动这根操纵杆。