Combinatorics
n. 组合学,组合数学
🗣️ 情景例句
The work is coming along quite well.
工作进展得相当顺利。
Sorry, I don't.
对不起，我没有。
Right. Let me examine you. Does it hurt here? Here? Here?
好。我来给你检查检查。这儿痛吗？这儿？这儿？