N-UNCOUNT
				交流电
				AC is used to refer to an electric current that continually changes direction as it flows. AC is an abbreviation for (缩略=) 'alternating current'.
例句
						In Europe, AC is usually generated at 50 Hz.
						欧洲的交流电输出频率通常为50赫兹。
						...a portable AC generator.
						便携式交流发电机