1·It was only when electric motors became advanced that vacuum cleaners became common.
只有电动机变得先进时，真空吸尘器才会普遍使用。
2·The current flows into electric motors that drive the wheels.
电流流进电机，驱动轮子。
—— 《柯林斯英汉双解大词典》
3·The electric motors of the turret hummed.
炮塔的电动机嗡嗡叫。
4·This heavy freighter is driven by two electric motors.
这辆重型运输汽车是由两台电动机驱动的。
5·He envisions it as a sleek, red plane with eight electric motors.
在他的设想中，飞行车就像是一台豪华的飞机，遍体通红，配备八台电动马达。
6·At present two electric motors are used, one powering each of the rear wheels.
目前这款车采用了两台电动机，分别用来驱动两个后轮。
7·The plane's wings are covered by solar cells which power four electric motors.
这架飞机的机翼上覆盖了太阳能电池板，为四个发动机提供动力。
8·A mushroom glade - electric motors for the automatic activation of various valves.
一个类似蘑菇房空地——进行自动化控制各种阀门的电动装置。
9·The car moves through the electric motors receiving power from onboard batteries.
这车通过板载电池给电动马达驱动。
10·Electric motors do not need a gearbox, which reduces weight and mechanical complexity.
电动机不需要齿轮变速箱，因此可以减轻重量和机械复杂性。