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
That's what I said.
我也是这么说。
It's quite cold today.
今天天气相当冷。
Yes, sir?
什么事，先生？