英语语法分析

The results showed that RHDV was the pantropic virus injuring most tissues and cells, but the main injured organ was liver, the principal target cells were hepatocytes and endothelial cells.

结果表明RHDV是侵害多种组织细胞的泛嗜性病毒，但其主侵器官是肝脏，主要靶细胞是肝细胞及血管内皮细胞。