单语范例（未经PONS编辑处理）
Ash is legally blind without his contact lens.
en.wikipedia.org In 1978, the separate front side marker and turn signal, changed to a combination wrap-around orange lens.
en.wikipedia.org Other lenses available with focal lengths of 12mm or less are either incompatible with full-frame cameras or are intentionally distorted.
en.wikipedia.org The second two possibilities applythe retina is not flat (similar to spherical for humans, in fact), and there are lenses in the eye.
en.wikipedia.org Additionally, the lenses can electronically darken to compensate for brighter or darker environments.
en.wikipedia.org