(noun.) the image of something as reflected by a mirror (or other reflective material); 'he studied his reflection in the mirror'.
(noun.) the ability to reflect beams or rays.
(noun.) the phenomenon of a propagating wave (light or sound) being thrown back from a surface.
(noun.) (mathematics) a transformation in which the direction of one axis is reversed.
艾德里安整理
杰弗里整理