英语语法分析

That is not a bad strategy for a pathogen.

对于病原体，这并不是一个好的方法。

When the amoebas find a pathogen, they devour it.

一旦发现病原体，就会把它吞噬掉。

But other forms of the deadly pathogen still plague victims today.

但是其它形式的致命病原体今天依然折磨着受害者。