Beat duty
[法] 义务巡逻
🧩 词语组成解析
beat
[bit]
vi. （心脏等）跳动;搜索;（风、雨等）吹打;（鼓）咚咚地响;
vt.& vi. 接连地击打;
vt. 打败;敲打;控制;避免;
n. 节拍;（鼓的）一击;管区;
adj. [美国口语]大吃一惊的;[常作 B-]“反传统一代”成员的;摇滚音乐的;[口语]（体力或情绪上）疲劳不堪的;
🗣️ 情景例句
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
Do I need a reservation for the dining car?
我需要预订餐车吗？
Good evening! Mr Green, where are you from?
晚上好，格林先生，你是哪里来的？