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1·A policeman was injured in the line of duty yesterday.

昨天有一名警察在执行公务时受伤。《牛津词典》

2·More than 3,000 police officers were wounded in the line of duty last year.

去年三千多名警官在执行任务时受伤。《柯林斯英汉双解大词典》

3·A policeman was wounded in the line of duty.

一位警察在执行任务时受伤。

4·He was killed in the line of duty last year.

他去年在执行公务时殉职。

5·Officer grady was killed in the line of duty .

格雷迪长官在执行任务中被杀害了。

6·They were not surprised that he died in the line of duty.

对于他在自己岗位上殉职，他们并不吃惊。

7·You need to stay in good shape while in the line of duty.

你在值勤时一定要保持良好的状态。

8·More than 800 officers were killed in the line of duty last year.

去年一年有超过800名警察因公殉职。

9·How can we ever repay you? Nothing at all. All in the line of duty.

我们该怎么报答你们呢这没什么，这是我们的责任。

10·Not here too! he thought, for in the line of duty Robusto has seen many corpses.

“尸体也不在这儿，”他想道。在他的职业生涯中，罗布·斯托见过许多尸体。