Pbx
[计] 专用小型交换机
🗣️ 情景例句
or the Museum of Natural History.
或自然历史博物馆。
I'm sorry, but I can't find the book you lent me.
很抱歉！我找不到你借给我的那本书了。
Sorry, there aren't any. Would you like some bottles of orange?
对不起，没有了，您要几瓶橙汁怎么样？