Phycourobilin
藻尿后胆色素, 藻尿胆素
🗣️ 情景例句
Would you please account for these problems?
请你谈谈这些问题，好吗？
I've got a pain in my back.
我的后背有点疼痛。
I apologize for being so angry with you.
我为跟你发火向你道歉。