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
or we won't be finished by dinnertime.
要不然， 晚餐时间到了我们还做不完。
Jeff was not pleased with his school grades.
杰夫不满意自己在学校的成绩。
I said that together we could light a fire that could be seen for many miles.
我说，我们一起点燃一堆火，让几英里远都能看见。