Lr
abbr. 书面报告（Letter Report）；远距离, 远程（Long Range）；实验室反应堆（Laboratory Reactor）；液体燃料火箭（Liquid Rocket）
🗣️ 情景例句
She told Robbie that her flight tomorrow was canceled,
她告诉Robbie说 她明天的班机取消了
Our staff and employees will do their best to make your visit comfortable and worthwhile.
我们所有的员工都会尽力使您的来访舒适而有价值。
What's the matter with you?
你怎么啦？