N-UNCOUNT
交流電
AC is used to refer to an electric current that continually changes direction as it flows. AC is an abbreviation for (縮略=) 'alternating current'.
例句
In Europe, AC is usually generated at 50 Hz.
歐洲的交流電輸出頻率通常為50赫茲。
...a portable AC generator.
便攜式交流發(fā)電機