- a vehicle composed of two wheels held in a frame one behind the other, propelled by pedals and steered with handlebars attached to the front wheel自行车, 脚踏车。
no obj., with adverbial of direction
- ride a bicycle in a particular direction骑自行车：
they had spent the holidays bicycling around the beautiful Devonshire countryside.
他们假期在德文郡乡村四处骑车旅游。
派生词
bicyclist
noun词源
mid 19th cent.: from BI- 'two' + Greek kuklos 'wheel'.