Combinatorial theorem
[计] 组合定理
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
It's a beautiful day.
今天天气真好。
Ignorance is the mother of impudence.
厚颜无耻由于愚昧无知。
It was half past four. Everything was ready.
一切都准备好。