“血红素”造句

这一结构叫做血红素基因.
This structure is called the heme group.

氧基血红素把氧气输送供给人体的细胞.
Oxyhemoglobin transports oxygen to the cells of the body.

数量减少,那些剩下的被缩小,而且包含更少的血红素.
Numbers fall and those that are left shrink and contain less haemoglobin.