Hematolith
血管石, 血管壁结石
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
If he doesn't take care of him, I will.
如果他不，我将照顾他。
I'd like to take a boat on the River Nile.
我想乘船在尼罗河上游览。