您要查找的是不是：
- Half the garrison is/are on duty. 有半數衛戍部隊在執勤。
- Please bleep the doctor on duty immediately. 請立刻用傳呼機召值班醫生。
- The dissident element on campus. 校園內的持不同意見者
- The rule is that someone must be on duty at all times. 按照規定，任何時候均需有人值班。
- He reported the murder to the police on duty. 他將兇殺事件告知值班警察。
- The police on duty rode the escaping thief down. 值班警察追上了逃跑的小偷。
- I arrive at the hospital at eight o'clock, but I don't go on duty until nine. 我八點鐘就到醫院了，但是九點鐘我才去值班。
- Mary was out of her element on the farm. 瑪麗不習慣做農活。
- I'm on duty as from the Spring Day. 我剛好在春節那天值日。
- Two retired workers are on duty guarding the gate. 兩個退休工人值班守衛大門。
- There is no element on the clipboard to paste in. 剪貼板里沒有可粘貼的元素。
- We come on duty seven hours a day. 我們每天上班七小時。
- He is on duty from 9 a.m. to 6 p.m. today. 他今天從早晨9點到下午6點值班。
- Who will be on duty at six o'clock? ---I will. 6點鐘誰值班?-我值班。
- A policeman is not allowed to smoke on duty. 警察值班時不準吸煙。
- I had lifted my hand against a pilot on duty. 我打了一個值班的掌舵。
- Experienced banquet waiters must also be on duty. 還必須讓有經驗的宴會服務員當班。
- I am on duty tomorrow. I'll have to switch with someone to go to your party. 我明天值班。我得和誰換一下班才能去參加你們的聚會。
- Move from the content to the next block element on the Web page. 從當前內容移動到網頁中的下一個塊元素。
- I shouldn't by rights be at this party at all -- I'm on duty tonight. 我照理不該參加這個聚會,因為今晚我值班。
