资料来源 : pyDict

交流发电机

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Alternator \Al"ter*na`tor\, n. (Elec.)
   An electric generator or dynamo for producing alternating
   currents.

资料来源 : WordNet®

alternator
     n : an old term for an electric generator that produces
         alternating current (especially in automobiles)