) who carried H. pylori in his stomach; because my immune system had been exposed to the bacterium, the antibodies in my serum would be able to recognize some of the organism's protein products.
) who carried H. pylori in his stomach; because my immune system had been exposed to the bacterium, the antibodies in my serum would be able to recognize some of the organism's protein products.
由于我的免疫系统已接触过幽门螺旋菌，血清中的抗体能辨认幽门螺旋菌的一些蛋白质。