A bicycle came into sight on the main road.
大路上出現了一輛自行車。
A bicycle is often more convenient than a car in towns.
在城鎮騎自行車常常比開車更方便。
When the traffic's this bad, a bicycle really comes into its own.
在交通如此擁堵的時候，自行車就顯出了它的價值。
Statistics show that far more people are able to ride a bicycle than can drive a car.
統計資料表明，會騎自行車的人比會開汽車的人多得多。
We went for a bicycle ride on Sunday.
我們星期天騎自行車兜風了。
The height of the bicycle seat is adjustable.
這輛自行車車座的高度可以調節。