Once inside the body, the parasites multiply first within the liver and later within red blood cells.
这些寄生虫一旦进入人体，将首先在肝脏繁殖，并稍后开始在红细胞中繁殖。
In the human body, the parasites multiply in the liver, and then infect red blood cells.
这种寄生虫在人体的肝脏中繁殖，然后感染血红细胞。
Malaria parasites multiply rapidly in the liver and then in red blood cells of the infected person.
疟原虫在肝脏和随后在被感染者的红血球中迅速繁殖。
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