Quadtree
[计] 四树, 四叉树
🗣️ 情景例句
That's for a long distance call you make two nights ago.
这是你两天前打的一个长途电话的费用。
I told him to stay for supper.
我告诉他留下来吃晚餐。
We have this item in three price levels.
此一品目，我们分三种等级的价格。