Quadratic equation
[计] 二次方程
📖 牛津释义
quadratic equation
(algebra 代数) equation that uses the square (and no higher power) of an unknown quantity, egx2 + 2x
8 = 0 二次方程式（如x2 + 2x
8 = 0）.
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
That's fantastic!
真了不起！
By accident Marion overheard some nasty gossip.
马里恩偶然听到了一些令人不愉快的谣言。
Then she had an idea.
后来她有了一个主意。