motor

/ˈmoʊtər/

machine that converts other forms of energy into mechanical energy and so imparts motion

Chinese meaning: 发动机；电动机

The electric motor in this car is remarkably quiet and efficient.

这辆汽车里的电动机异常安静且高效。

He repaired the boat's outboard motor before the fishing trip.

他在钓鱼之旅前修好了船的外挂发动机。