Hematolith
血管石, 血管壁结石
🗣️ 情景例句
will read a poem by Robert Frost.
要朗读Robert Frost作的一首诗。
I know the boy whose father is an engineer.
我知道那个男孩的父亲是工程师。
Can't you do anything right?
成事不足，败事有余。