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
I don't envy him his money problems.
我庆幸自己没有他那些金钱的烦恼。
We are not born for ourselves.
人生非为己。
We'll meet him at the harbour early in the morning.
明天一大早我们将在码头为他送行。