a motor bicycle的用法和样例：
- My school is far away from my house,so I'm anxious for a motor bicycle.
- The present invention relates to a controllable overrunning slider, which can be used on an automobile, a motor tricycle or a motor bicycle.
- A motorized bicycle, sometimes referred to as a light electric vehicle or LEV, is a bicycle with an attached motor used to assist with pedaling.
- A motorized bicycle that can be pedaled or driven by a low-powered gasoline engine.
- A bumper is a part of a motor vehicle.