alternator
🇺🇸
/ˈɔːltərneɪtər/
🇬🇧
/ˈɔːltəneɪtə(r)/
A machine that changes energy from the car engine into electricity.
The mechanic replaced the faulty alternator in the car to restore the battery charge.
机械师更换了汽车中故障的交流发电机以恢复电池充电。