Sentry duty
na. 步哨勤务\\n
🧩 词语组成解析
sentry
['sɛntri]
n. 哨兵;警卫;
🗣️ 情景例句
She has an eye for detail.
她有鉴别细节的眼力。
We're having some friends over. What are you doing?
我们打算请几位朋友来玩。你打算干什么呢？
She was wearing a blue dress and a mink coat.She told me she had just made a new film.
她穿着一身蓝色的套装和一件貂皮大衣。她告诉我她刚拍完一部新片子。