Quadtree
[计] 四树, 四叉树
🗣️ 情景例句
I have other plans, Robbie.
我另有安排 ，Robbie。
How many pounds are you going to order?
你要订几磅？
All the Indins over the age of 8 had to carry their permits at all times.
所有8岁以上的印度人无论什么时候都得携带许可证。