who lived from 1843 to 1910,

他生于1843年卒于1910年
the second great figure in the establishment

是为微生物理论的建立做出贡献的
of the germ theory of disease,

又一位重要人物
the German scientist who was twenty years younger than Pasteur.

这位德国科学家比巴斯德年轻20岁
Now, if Pasteur's hallmark

如果说巴斯德
was the imaginative breadth of his scientific vision,

以广博并富有创造性的科学视野为特征
Koch's distinctive feature was his scientific rigor,

那么科赫的特点就是他对科学的严谨态度
his more rigorous techniques of microbiology.

他对微生物学技术的要求更为严格
He had a critique, a famous critique,

关于鹅颈烧瓶实验
of the whole swan neck flask experiment.

他有一个著名的评论
He argued that Pasteur had been lucky--

评论中他认为巴斯德的结果纯属侥幸
contamination was possible.

因鹅颈瓶中的液体也有可能受微生物污染