And there's the bacteria colony that's making this infection.

这是造成感染的细菌群体。

What's the researchers in the reading are identifying as blood vessels might just be traces soft and moist residues left by bacteria colonies.

在阅读部分，研究人员鉴定为血管的物质很可能就是细菌繁殖后留下的湿软残渣的痕迹。