Qso
abbr. quasibiennial stratospheric oscillation 同温层双手振动
🗣️ 情景例句
You know what?
知道吗？
Many good cows have evil calves.
很多好母牛，会生坏小犊。
I'm afraid I'm still not very good at it, though.
不过，恐怕我的汉语还是不够好。