Using special stains, one can see that some bacteria have attached to them wavy-looking "hairs" called flagella.

用专用的污迹来观察，你能见到一些细菌身上附着许多看似波浪状的“头发”称之为鞭毛。

youdao

Using special stains, one can see that some bacteria have attached to them wavy-looking "hairs" called flagella. Others have only one flagellum.

用特殊的着色剂后，你会发现有的细菌上长着不少波状的“毛发”即鞭毛，而有的细菌只有一根鞭毛。

youdao