be on duty◇值班部队 element on duty; 值班工程师 shift engineer; 值班人员 operator in charge; operator on duty; 值班室 night shift room; guards' room (in a factory, etc.); 值班员 person on duty半值班: dogwatch表,值班: watch不值班: offduty; watch below狗值班: dog watch看守;值班: keewatch下载手机词典可随时随地查词查翻译