Coproporphyrin
粪卟啉
🗣️ 情景例句
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
Burnt child dreads the fire.
一朝被蛇咬，十年怕井绳。
What's this in English?
这用英语怎么说？