mountain bike
柯林斯词典
1. N-COUNT A mountain bike is a type of bicycle that is suitable for riding over rough ground. It has a strong frame and thick tyres. 山地車
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mountain bike (mountain bikes)
剑桥词典
- a bicycle with thick tyres and a lot of gears , originally made for riding on hills and rough ground , but now often used on roads
越野自行車，山地自行車 返回 mountain bike