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
What would you like to be doing two years from now?
两年后你希望自己在做什么？
Before you go on, I have a question.
在你接着干之前，我有一个问题。
Chinese take-away food is also popular.
中式方便食品也很流行。