Cotan
cotangent 余切
🗣️ 情景例句
Only one day, and it won't hurt as much.
只要再一天你就不会像现在这样痛了。
The battle is to the strong.
强者必胜。
What do you want to do next September? Do you have any plans?
你今年9月打算干什么？你有什么计划吗？