Deoxyhemoglobin
还原血红蛋白
🗣️ 情景例句
I always eat three square meals a day.
我总是每天三顿饭都好好吃。
They had excepted me to go with them.
他们原本希望我和他们一起去。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。