Liu
n. 线路接口单元；刘（中国姓氏）
🗣️ 情景例句
Thank you, Mr. Lu. Please wait a moment while I check our reservations list.
谢谢，陆先生。请稍等，我查一下订房名单。
During the two years since I took charge of the department.
在我负责这个部门的两年中。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？