Quadratic function
[计] 二次函数
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
I've been looking forward to meeting you.
我一直盼望能有幸认识你。
One half of the world does not know how the other half lives.
贫富不相知。
Good morning, class.
同学们，早上好！