Quadtatic
[计] 二次平均的
🗣️ 情景例句
Robbie's right.
Robbie说对了。
Lava flowed out of the crater.
喷火口流出了熔岩。
And you lent me some money too, which I never repaid you.
你还借给我一些钱，这笔钱我还没有还你呢。