Quadtree
[计] 四树, 四叉树
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
He always tries to impose his opinion on others.
他总是想强迫别人接受他的意见。
A clear conscience laughs at false accusation.
只要问心无愧，无端的指责可以一笑置之。