Extremal solution
[计] 极值解
🧩 词语组成解析
[计] 极值曲线
🗣️ 情景例句
What is it?
怎么回事
The truest politeness comes from sincerity.
真正的殷勤出于真诚。
acquired this man-made disease as a pestilence.
而欧洲自己却染上了这种人为的瘟疫般的疾病。