介绍:

Pump /pʌmp/ 打气筒

A bike pump is necessary if you travel long distance.
如果长时间骑车的话，那么打气筒就很有必要。

Tire /taɪr/ 轮胎
I've got a flat tyre (= the air has gone out of it).我的车胎没气了。

Pedal /ˈped.əl/ 踏板
I could stand up on the pedals of my bike when I was 5 months old.
我5个月的时候就可以站在自行车的踏板上。

Brake 刹车，车闸
She had no brakes on her bicycle.
她的自行车没有车闸。

Chain /tʃeɪn/ 链条
You'd better take care of your chain of your bike to work properly.
车子得正常运转，你最好保养好链条。