Quadratic formula
[计] 二次公式
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
formula
['fɔ:mjulə]
n. 公式，准则;客套话;方案;婴儿食品;
🗣️ 情景例句
I don't know how she does it.
我不知道她怎么办到的。
I'd like to explain what makes this factory special.
我要向你说明本工厂的特性。
He speaks little Chinese, so it's difficult to communicate with him.
他只能讲一点汉语，所以和他交流很难。