Combinatorial theory
[计] 组合论
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
Bob speaking.
我就是鲍勃。
Excuse me for a moment.
失陪一会儿。
On arriving in England, they were taken to the Crystal Palace by train.
一到英国，火车就把他们送到了水晶宫。