Quadtree
[计] 四树, 四叉树
🗣️ 情景例句
We'll live in New York.
我们会住在 New York。
Why did you hate it so much?
为什么你那么恨它？
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。