Coboundary operator
[计] 边缘算子
🧩 词语组成解析
[计] 上边缘
🗣️ 情景例句
I think a lot of people will vote for you
我想很多人会投票支持你
How! A fight!
哗，打架啦！
My parents used to live in South America and I used to fly there from Europe in the holidays.
我的父母曾经住在南美洲，所以假期里我常从欧洲乘飞机到他们那里。