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
Where's the bag with the chicken salad sandwiches?
放鸡肉沙拉三明治的袋子在哪？
Swimming promotes health.
游泳有益健康。
Then the woman simply took the parcel and walked out of the shop without paying.
然后，那妇女拿过包就走出了商场，根本没有付钱。