您要查找的是不是：
- Duty Signal Officer 值班通信官
- Combined Operations Signal Officer 联合作战通信官
- Command Air Force Signal Officer 空军司令部通信官
- I think it my duty to serve the people. 我认为为人民服务是我的责任。
- How can I get shut of such an unwelcome duty? 我自发以才能逃脱掉这个令人如此计厌的差事呢？
- A small party of men were told off for burial duty. 一小组人被分派去执行掩埋的任务。
- Be it our duty to comply with his request? 我们有义务满足他的要求吗？
- He who does his duty is worthy of praising. 凡是忠于职守的人都值得奖励。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I feel it my duty to speak frankly to you. 我觉得我有义务要坦白地对你说。
- I felt bad that I had not done my duty. 我很难过，我没有履行自己的职责。
- It is my painful duty to tell him he is dying. 要我把他即将去世的事告诉他，这使我十分为难。
- He is on night duty three days a week. 他一个星期要上三天夜班。
- The danger recalled him to a sense of duty. 这危险的事唤起了他的责任感。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- I'm duty bound to visit my old aunt. 我有义务去探望年老的姑妈。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- The officer detailed a man for sentry duty. 军官派一名战士站岗。
