Noun:

1. an old term for an electric generator that produces alternating current (especially in automobiles)

Alterov阿尔泰罗夫alterv.改变；更改；阉割；切除卵巢alternating-current交流电流alternating dominance交替显性Alternaria infectoria感染链格孢Alternaria black spot黑斑病alternating impedance交流阻抗Alternaria abutilonisn.苘麻链格孢alternating mydriasis[医] 交替性瞳孔开大Alternaria bannaensisn.版纳链格孢alternating nystagmus交替性眼球震颤alternating direction交替方向

1. This circuit consists of the battery, alternator (or generator).
   这条电路由电池，交流发电机(或者发电机)组成。