单词primary-hemochromatosis
网络: 原发性血色沈著病；原发性血色沈着病；原发性血色素沉着症
Primary hemochromatosis is usually caused by a specific genetic problem that causes too much iron to be absorbed.
原生的通常是由于遗传基因问题造成的铁在体类的过度积累。
Primary hemochromatosis is the most common genetic disorder in the United States, affecting an estimated 1 of every 200 to 300 Americans.
这种原生的血沉病在美国是一种非常常见的基因病，每两百到300人你就有一个。