Quadtree
[计] 四树, 四叉树
🗣️ 情景例句
Oh, so you don't need something immediately?
呵， 所以你们 ，不是急着马上就要？
Open your book,please.
请把书打开。
often hampers the full development of a growing personality.
而匆忙的生活常常妨碍个性的全面发展。