Kathaemoglobin
变性高铁血红蛋白
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
I am honored by the invitation.
承蒙招待，深感荣幸。
It is as if a single unimportant event set up a chain of reactions.
好像是一件无关紧要的小事引起了一连串的连锁反应。