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
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
I understand him to be a distant relation.
我听说他是我的一个远房亲威。
As the floods had put the telephone out of order, we could not find out how they were managing.
由于洪水造成了电话中断，我们无法了解他们情况。