Conicograph
二次曲线规
🗣️ 情景例句
But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子，在你做出决定之前请一定要认真考虑我的话。
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
Come in, please!
请进！