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
With great tact, Lily said that it was time for her to go.
莉莉机智地说她该走了。
They intend to stop all traffic through the ports.
他们预定关闭港口的全部交通。
Last August. We had a lovely holiday, one of the best ever.
去年8月。我们度过了一个令人愉快的假日，也是有史以来最愉快的假日之一。