Ooporphyrin
蛋壳色素, 蛋壳卟啉
🗣️ 情景例句
Good afrernoon, Miss Wang. Please sit down.
下午好。王小姐，请坐。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
The weather will get warmer later.
天气会转暖。