To activate the grip, the lizards extend and angle their setae to create millions of contact points with a surface.

为了紧抓住平面，蜥蜴伸展并且弯曲刚毛 以便产生和表面的数以百万计接触点。

And each of the setae is covered in even tinier bristles called spatulae.

这些刚毛被更小的多叫做匙突(spatulae)的结构覆蓋。

One square millimeter of a gecko's footpad has 14,000 hair-like structures called setae.

壁虎脚趾上一平方毫米，有一万四千个毛发状结构叫刚毛。

And it is because the small setae are very close to the wall.

因为小刚毛离墙很近。

The molecules in the setae and the wall pull towards each other, and form a link.

刚毛和细胞壁中的分子相互吸引，形成连接。

To adhere, the setae rely on small electromagnetic attractions between molecules called van der Waals forces.

为了具有粘附性，刚毛依靠的是分子间被称为范德华力的力产生的微弱电磁吸引力。

These setae can bend to make contact with all the grooves and crevices in a surface.

刚毛可以弯曲与表面上的所有沟壑与裂缝进行连接。

The large numbers of setae produce very strong forces. They give the geckos wonderful " sticking" power.

大量的刚毛会产生非常强大的力量。它们赋予壁虎奇妙的“粘着”力量。

Each toe is covered with millions of tiny hair-like strands, called setae.

每个脚趾都覆盖着数百万根细小的毛发状细丝， 称为刚毛。

Whenever Apollo takes a step, the setae flatten to make close contact with the surface.

每当阿波罗迈出一步，刚毛就会变平，与表面紧密接触。