translation.en: And the image of the DVD here is just to illustrate a point that silk follows very subtle topographies of the surface, which means that it can replicate features on the nanoscale.
translation.zh: 这图片中的DVD光盘 只是说明一点 蚕丝能适应非常精细的表面 意味着它们能复制纳米程度上的细节