Lactosum
乳糖
🗣️ 情景例句
Well, this unit here on display is a full scale assembly of our latest machine.
哦，这里所展示的这一部是本公司最新机器的全套设备。
Do you have the tickets, or not?
你到底有没有买票？
I'm afraid not. She isn't here at the moment. Can I take a message?
恐怕不行。她这会儿不在。有话要我转告吗？