Qso
abbr. quasibiennial stratospheric oscillation 同温层双手振动
🗣️ 情景例句
10 percent down and the balance at the time of shipment?
百分之十付现款，余额在装运时付清吗？
What is bothering you?
什么在困扰你？
I've read about it,but I'd like to know more about it.
我已经知道了一点儿，但我还想多了解一些。