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
He's so little ... so new.
他这么小……这么幼……
Your right hand is swollen.Does it hurt?
你的右手是肿的.它受伤了吗？
It seems that it's more difficult for women to get to the top of a company.
妇女要想得到一个公司的最高职位，似乎更加困难。