Deoxyhemoglobin
还原血红蛋白
🗣️ 情景例句
Alexandra might call. Alexandra
可能会来电话。
All work and no play make Jack a dull boy.
尽量学，尽情玩。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。