motor with compound characteristic

例句：

1. 1. The car's engine is making a loud noise.
   汽车的发动机正在发出噪音。
2. 2. The new electric car uses a rechargeable battery as its motor.
   这款新型电动汽车使用可充电电池作为其电动机。
3. 3. The old steam engine was replaced by the new diesel engine.
   旧的蒸汽引擎被新的柴油引擎所取代。