Quadtrees
四元树
🗣️ 情景例句
No such thing as too many at an opening.
展览开幕怎么会嫌人太多呢。
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
King Gustavus Adolphus, 'The Northern Hurricane',
当时号称北方飓风的国王古斯塔夫斯·阿道尔弗斯