Quadratic residue
[计] 二次剩余
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
You'll need to hurry up, or you'll miss the train.
你得快点，否则赶不上火车。
Whom are you calling?
你要找谁？
The thieves dropped the torch and ran away as quickly as they could.
小偷扔下了手电筒，飞快地逃走了。