n a motor vehicle with two wheels and a strong frame
n a wheeled vehicle that has two wheels and is moved by foot pedals
v ride a bicycle
n. 自行车, 脚踏车
1. I ride my bike to school every day.
我每天骑自行车去学校。
2. She bought a new bike for her birthday.
她为自己的生日买了一辆新自行车。
3. Let's go for a bike ride this weekend.
这个周末我们去骑自行车吧。