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
He cheated on his wife.
他对他妻子不忠。
Thank you for your attention.
谢谢大家专心聆听。
Ships carry live sheep to markets in he Middle East where they are killed at festivals.
轮船将活羊运送到中东市场供凶日宰杀。