Quadratic form
[计] 二次型, 二次形式
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
Can you help me for a minute, love?
亲爱的，能帮个忙吗？
The husband has built a doghouse for his dog.
丈夫为爱犬建造了狗屋。
She was taking the things out of the basket when she dropped a bag of sweets.
她把东西从篮子里拿出来，这时，一袋糖从她手里掉地了。