Coboundary operator
[计] 边缘算子
🧩 词语组成解析
[计] 上边缘
🗣️ 情景例句
Where did you go to school?
你在哪儿上学？
A friend exaggerates a man's virtue, an enemy his crimes.
朋友宣扬人的美德，敌人夸大人的罪过。
I was so tired. I could have slept for a week.
我累死了！我能蒙头睡上一星期。