Singular operator
[计] 奇民算子
🧩 词语组成解析
🗣️ 情景例句
you've been writing for the school paper.
你为校刊写文章。
Which one is more economical?
哪一个是比较经济的？
Fine, thanks. Oh, That's the bell. Everyone is going into class, we'd better go too.
很好，谢谢。啊，铃响了。大家都去上课。我们最好也去。