Friction motor
01
摩擦马达, 摩擦电机
a type of toy motor commonly found in toy cars and other vehicles, where the motion of the toy is generated by the friction between the wheels and the surface it moves on, without the need for batteries or external power sources
例子
The friction motor in this robot makes it move across the table without needing batteries.
这个机器人中的摩擦电机使其无需电池即可在桌面上移动。
