1、自行车的单词：Bicycle，英 [ˈbaɪsɪkl] 美 [ˈbaɪsɪkl]。

2、在城镇骑自行车常常比开车更方便。A bicycle is often more convenient than a car in towns。

3、大路上出现了一辆自行车。A bicycle came into sight on the main road。