英语翻译By day,Bille's contact lenses will focus rays of light s
英语翻译 By day,Bille's contact lenses will focus rays of light so accurately on the retina (视网膜)that the image of a small leaf or the outline of a far distant tree will be formed with a sharpness that surpasses that of conventional vision aids by almost half a diopter ( 屈光度). "with a sharpness "是 是一种固定搭配吗?