alternating current

US /ˈɔːl.tərˌneɪ.tɪŋ ˈkɝː.ənt/
UK /ˈɔːl.tərˌneɪ.tɪŋ ˈkɝː.ənt/
"alternating current" picture
1.

交流电

an electric current that reverses its direction many times a second at regular intervals, typically used in power transmissions

:
Most household appliances run on alternating current.
大多数家用电器都使用交流电
The power grid supplies alternating current to homes and businesses.
电网向家庭和企业提供交流电