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
and I promise you I won't forget.
我向你保证， 我不会忘的。
The farmers are the founders of civilization and prosperity.
农民是文化和繁荣的奠基者。
but they do underline the general principle that the relationship between elephant and mahout is the key to successful training.
但强调了一项基本原则，象和驯象员之间的关系是驯象成功与否的关键。