state troop·er
noun/ˌsteɪt ˈtruːpə(r)/
/ˌsteɪt ˈtruːpər/
(also trooper)
- (in the US) a member of a State police force
（美国）州警察 - Scores of police and state troopers tried to clear the streets.
大批当地警察和州警察试图疏散街上的人群。
- Scores of police and state troopers tried to clear the streets.