Improper quadric
[计] 异常二次曲面
🧩 词语组成解析
a. 二次的\\nn. 二次曲面
🗣️ 情景例句
Upon confirmation of receipt of funds, the goods will be promptly forwarded to your residence.
在确认收到贷款后，货物会马上被送到你的住处。
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
He had hardly had time to settle down when he sold the house and left the country.
还没等安顿下来就卖掉了房子，离开了这个国家。