Combinatorial mathematics
[计] 组合数学
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
Hi! What happened?
嗨 ！怎么回事？
I'm looking forward to it.
我盼望着这件事。
There is a factory near No.14 Middle School.
第十四中学附近有一家工厂。