Quadratic variation
[计] 二次变分
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
She likes to go from man to man.
她的男友换了一个又一个。
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
I heard that you're getting married, Congratulations.
听说你要结婚了，恭喜！