千瓦小时 qiānwǎxiǎoshí kilowatt-hour Origin Definitions Defs Strokes Stroke Words Sentences Sents 千瓦 qiānwǎ kilowatt unit of electric power equal to 1,000 瓦 wǎ小时 小時 xiǎoshí noun hour unit of time equal to sixty minutes or one twenty-fourth of a day