dynamo|dynamos

这台老式收音机依靠手摇发电机供电。

This vintage radio is powered by a hand-cranked ___dynamo.

这些老式发电机为整个村庄提供电力。

These vintage ___dynamos supply electricity to the entire village.

他是公司的核心动力源，总能激励大家超额完成任务。

He is the ___dynamo of our company, always inspiring us to exceed our goals.