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
OK, let me get my wallet and we'll take off.
好，让我拿一下钱包，我们就走。
Thank you for a wonderful meal.
谢谢你的美餐。
'We're got more garages with smart people,' Mead observes.
“我们有更多的汽车间，那里有许多聪明人，”米德说。