up time

汉语翻译

【电】 可运用时间

英语解释

名词 up time:

a period of time when something (as a machine or factory) is functioning and available for use同义词：uptime

例句

Activity, such as schoolwork or office work, meant to take up time but not necessarily yield productive results.无生产性工作，机关工作占用时间但不必要获得生产结果的活动，如学校工作或机关工作