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
First word ...
第一个字……
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
Thank you very much.
非常感谢。