Conchoporphyrin
[化] 贝卟啉\\n[医] 贝卟啉
🗣️ 情景例句
I have been a secretary in an insurance company.
我一直在一家保险公司担任秘书工作。
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
Are there any flowers in the picture?
画里面有花吗？