A bicycle came into sight on the main road.

　　大路上出現(xiàn)了一輛自行車(chē)。

　　A bicycle is often more convenient than a car in towns.

　　在城鎮(zhèn)騎自行車(chē)常常比開(kāi)車(chē)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(shí)候，自行車(chē)就顯出了它的價(jià)值。

　　Statistics show that far more people are able to ride a bicycle than can drive a car.

　　統(tǒng)計(jì)資料表明，會(huì)騎自行車(chē)的人比會(huì)開(kāi)汽車(chē)的人多得多。

　　We went for a bicycle ride on Sunday.

　　我們星期天騎自行車(chē)兜風(fēng)了。

　　The height of the bicycle seat is adjustable.

　　這輛自行車(chē)車(chē)座的高度可以調(diào)節(jié)。