sentry
US /ˈsen.tri/
UK /ˈsen.tri/
名詞
1.
哨兵
a soldier who guards a place, usually by standing at its entrance:
範例:
•
My squad were on sentry duty last night.
在 Lingoland 學習這個單詞
哨兵
a soldier who guards a place, usually by standing at its entrance: