例句與造句

1. the trolley bus picks up current from an overhead wire .
   無軌電車的電能是通過架空線供給的。
2. the trolley bus picks up current from an overhead wire
   無軌電車的電能是通過架空線供給的
3. It's difficult to find pick up current in a sentence. 用pick up current造句挺難的