The backup electrical supply has been cut.

备用电源被切断了。

Hurricane Ian has knocked out Cuba's electrical supply, and is now heading towards western Florida, threatening dangerous floods and tidal surges.

飓风“伊恩”已经中断了古巴的电力供应，现在正向佛罗里达西部移动，可能造成洪水泛滥、潮水猛涨。