Just tie a piece of stiff, crumpled fabric around your favourite hair-band and off you hop.
仅仅捆绑一条结实的、皱皱的布绕在你最爱的发束上并且放到你的头顶上。
3
When the bundles were mechanically stimulated with a slender piece of glass, the cells generated electrical currents that resemble those produced by young hair cells.