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
And you also need bodies to do repainting?
你们也需要人手来重新粉刷吗？
This price is subject to change without notice.
此价格可以不经通知自行调整。
With a smile the man from downstairs said: I'm sorry to trouble you, comrade.
“对不起，打扰你了，同志。”