Coboundary operator
[计] 边缘算子
🧩 词语组成解析
[计] 上边缘
🗣️ 情景例句
and we'll take your dad with us.
带你爸爸也一起去。
He that boasts of his own knowledge proclaims ignorance.
夸耀知识实乃无知。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。