Qso
abbr. quasibiennial stratospheric oscillation 同温层双手振动
🗣️ 情景例句
That's nothing at all.
不用客气。
I'm sorry,but both of them are busy right now.
很抱歉他们现在很忙。
Certainly! What happened? Has your pan broken again?
当然！发生什么事了？你的锅又打坏了吗？