Coboundary operator
[计] 边缘算子
🧩 词语组成解析
[计] 上边缘
🗣️ 情景例句
I made a pig of myself.
我吃得像一头猪！
Each bird loves to hear himself sing.
鸟儿都爱听自己唱歌。
I'd like you to meat Dr Zhang.
我想让你见见张先生。