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
I'm going to excuse myself.
很抱歉失陪。
When the belly is full, the bones would be at rest.
饱暖图安逸。
Is she coming later?
她晚些时候会来吗？