flagella

The flagella rotate, pushing the bacteria through the water.

鞭毛的旋转可以推动细菌在水中行进。

Bacteria under the microscope, even those with no flagella, often bounce about in the water.

在显微镜下，细菌，甚至包括那些没有鞭毛的细菌，经常在水中跳来跳去。

Thus 15th Century tree rings become an argument against the Kyoto Protocol, just as bacterial flagella are whipped into service when discussing the role of religion in public life.

因此，15世纪树的年轮 成为反对京都协议的争论，就好像当讨论到宗教在公众生活中的角色时，细菌鞭毛被迅速投入使用。