road bicycle

I found a small lake about a hundred metres from the road and threw the bicycle in.

距路大约一百米处有一汪小湖，我把自行车扔下去。

a few minutes later he was flying down the road on his bicycle.

一会儿之后他就骑车飞驰在公路上了。

careering down the road on a bicycle

骑着自行车沿路飞奔而去

every time i went over a bump in the road, my bicycle chain came off.

每次我经过路上隆起的地方时我的自行车链条就会掉下来。

the mathematic modeling and measure method of road resistance of electric bicycle is introduced, including its analog application in the entirety performance testing of electric bicycle.

通过对电动自行车行驶动力性分析和行驶阻力模拟策略与测量方法的研究，对其在检测系统中的实际应用做了具体讨论。