Saxifraga
[医]虎耳草（中药）
🗣️ 情景例句
Something wrong?
有什么不对劲吗？
John stopped studying.
约翰停止学业了。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，