twenty-four seven
adverb, adjective informal uk/ˌtwen.ti.fɔː ˈsev.ən/ us/ˌtwen.t̬i.fɔːr ˈsev.ən/ (also 24/7)
全天候（地）;每时每刻（地）;实时（地）
24 hours a day, 7 days a week; all the time
a sports website updated 24/7 随时更新的体育网站
Having a kid is a 24/7 job. 养孩子是件全天候的工作。