为了缓解O型血-通用血型的紧张状况，科学家们开始研究是否可以把其它的血型的血转换成为0型血【生词摘录】
The difference between blood types is related to whether or not red blood cells contain certain kinds of sugar molecules. These molecules are found on the surface of the cells. They are known as antigens. These antigens are found with type A, B and AB blood but not with type O. Mor…