相关单词近义词 shift 移动, work shift 工作班次临近词duty pass, duty, duty roster for emergency relief, duty-free access to the market, Duty Status-Whereabouts Unknown, duty-cycle dynamic distribution, duty chemist/officer/doctor, duty fight infringement liability, duty exemption of contract breaking, Duty Involving Submarine Operations, duty of performing military service, duty qualified independent inspector 返回 duty period