sentry
US /ˈsen.tri/
UK /ˈsen.tri/
名词
哨兵, 岗哨
a soldier stationed to keep guard or to control access to a place
示例:
•
The sentry stood motionless at the gate.
哨兵一动不动地站在大门口。
•
A lone sentry guarded the entrance to the fortress.
一名孤独的哨兵守卫着堡垒的入口。