Protoporphyrin
n. [化]原卟啉
🗣️ 情景例句
Like what special matters?
什么样的特殊状况？
How's your aunt?
你的姑姑好吗？
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。