Duplexor
[电] 双工器
🗣️ 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。
Don't forget to take care of him.
不要忘记照顾他。
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？