noun 下载 🔗分享 血红蛋白 The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre). Examples : "My grandpa, who has low hemoglobin, needs to eat more iron-rich foods to improve his oxygen levels. " 我爷爷血红蛋白偏低,需要多吃富含铁的食物来提高血氧含量。 medicine physiology biochemistry anatomy biology body organ substance 与AI对话词汇游戏阅读练习