pa·trol·man /pəˈtrolmən/
巡視者,巡邏者,巡邏警官
Pa·trol·man n.; pl. Patrolmen One who patrols; a watchman; especially, a policeman who patrols a particular precinct of a town or city.
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patrolman
n : a policeman who patrols a given region [syn: flatfoot]