Ooporphyrin
蛋壳色素, 蛋壳卟啉
🗣️ 情景例句
The real discussion comes tomorrow.
明天才会正式商谈。
What is bothering you?
什么在困扰你？
Zheng Jie, I would like to support your music school.
郑杰，我愿意资助你办音乐学校。