sentinel

英['sentinl]美['sentinl]

n.
哨兵
v.[T]
警戒，守卫

同：	[n.] lookout, lookout man, picket, scout

The Press is a sentinel of(ie guards or protects)our liberty.
新闻界是捍卫我们自由的卫士.收藏
The lone sentinel walked toward his post.
忧愁的哨兵走向岗哨。收藏
post [ station ] a sentinel
放(步)哨;设看守(人)收藏
Behind the sentinel was a staircase with twenty steps
那个哨兵的后面有一座二十级的台阶。收藏
To act as a sentinel.
担当哨兵的工作收藏

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a person employed to watch for something to happen
[同] lookout, lookout man, picket, scout, sentinel, sentry, spotter, watch

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