Hdx
[计] 半双工
🗣️ 情景例句
Mm, I'm in a hurry too.
哦，我也有点儿急事要办。
I'm sorry, but I didn't understand your question. Could you please restate it?
对不起，你的问题我没有理解，请你再说一遍好吗？
What a pity!
太遗憾了！