Quadratic sum
[计] 平方和
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
Good Gemma.
乖Gemma。
Prosperity makes friends and adversity tries them.
富裕招致朋友，困苦考验朋友。
No, that would be fine. I'll tell you how to get here.
不晚，就这么定了。我告诉你到这儿来怎么走。