Quadtree
[计] 四树, 四叉树
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
If you would make an enemy,lend a man money and ask it of him again.
你若想与人结怨，只须先借钱给他，再向他催讨。
Is it a black cat with one white ear and two white legs?
是那只长着一只白耳朵和两条白腿的黑猫吗？