Deoxyhemoglobin
还原血红蛋白
🗣️ 情景例句
Well, remember,
嗯 记住
So far I have been learning about England.
到目前为止，我一直在研究有关英格兰的事情。
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。