释义
while one is working (used mainly of police officers or soldiers)
（主要指警官、士兵）值班，在岗。
双语例句
-
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。
-
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。
-
A policeman was wounded in the line of duty.
一位警察在执行任务时受伤。
-
He was killed in the line of duty last year.
他去年在执行公务时殉职。
-
Officer grady was killed in the line of duty .
格雷迪长官在执行任务中被杀害了。
百科
1.