heme iron的用法和樣例：
例句
- They contain nonheme iron in association with sulfur at the active site.
它們含有非血紅素鐵，在活性位點(diǎn)與硫協(xié)同作用。 - Heme iron, one of two types of iron found in foods, is bound to either the blood protein hemoglobin or the muscle protein myoglobin.
食物中的兩種鐵的類(lèi)型之一的血紅素鐵與血紅蛋白和肌紅蛋白均有關(guān)。
