Combinatoric
a. 【数学】组合学的
🗣️ 情景例句
I'm so glad you found the bag and took the time and trouble to return it.
我很高兴你发现了旅行袋而且不怕麻烦花时间将它送来。
When in Rome do as the Romans do.
入乡随俗。
It's to the north of England; it's part of Britain.
它位于苏格兰的北部，是不列颠的一部分。