不及物动词
1. The workmen cycled home.
工人们骑自行车回家。
2. He cycles to school every day.
他每天骑车上学。
3. The machine cycles automatically.
这台机器自动循环运转。
名词
1. The seasons of the year make a cycle.
一年四季构成一个循环。
2. She goes to work on her cycle.
她骑脚踏车上班。