Main(drive)motor
[化] 主电动机
🗣️ 情景例句
And thanks for the directions.
谢谢你给我指了路。
Sorrow comes unsent for.
悲哀来时不须邀。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。