a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues;
"fish have simpler hemoglobin than mammals"
haemoglobin的用法和样例：
例句
用作名词 (n.)
Mr. Leo is admitted to the gastrointestinal ward. His haemoglobin is low. 利奥先生被允许转入肠胃科病房。他的血红素偏低。
The haemoglobin molecule contains only four atoms of iron. 血红蛋白分子只含有四个铁原子。
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