Combinatorial mathematics
[计] 组合数学
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
He ventured to speak to her.
他鼓起勇气向她说话。
He's a composer of church hymns.I like his music a lot.
他是宗教诗歌作曲家，我很喜欢他的音乐。
I went downstairs and sat in front of the television pretending to read.
便来到楼下坐在电视机前假装看书。