on duty啥意思? 时间:2026-03-27 18:57:00 浏览:877次 on duty 英[ɔn ˈdju:ti] 美[ɑn ˈduti] adv. 值班,上班; 因公; [例句]A policeman must not smoke while he is on duty.警察当班值勤时不得抽烟。 标签:duty,啥意思