Smsg
abbr. School Mathematics Study Group 学校数学研究组
🗣️ 情景例句
He is tough in doing everything.
他不管做什么事都很有毅力。
After that, what happened to him?
在那之后，发生了什么事情？
Are you sure you don't mind?
你敢肯定你不会介意吗？