Quadtrees
四元树
🗣️ 情景例句
but there's a letter here addressed to you,
这确实有一封信是寄给你的。
One of the real pluses of this product is that it is of very high quality and of compact size.
这种产品的真正优点之一就是高质量和小体积。
Could I use your mobile phone?
能借用一下您的手机吗？