bicycle/'baɪsɪkl/

n. a vehicle with two wheels that you ride by turning the two pedals with your feet

n. [C] 自行车：She goes to work by bicycle. 她骑自行车上班。

◇Can you ride a bicycle? 你会骑自行车吗？

◇get on one's bicycle 骑上自行车

构词bi（两） + cycle（轮）

同缀 combine

用法They went there by bicycle. = They went there on bicycles. 他们骑自行车去那儿。