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
Good idea.
好主意。
I think that should do it.
我想这样就可以了。
The writer stated that Rastus was in safe hands and would be returned immediately if Mrs.Ramsay paid a ransom of $1,000.
写信人声称拉斯特斯安然无恙，只要拉姆齐太太愿意支付1，000 英镑赎金，可以立即将猫送还。