变焦距镜头 biànjiāojùjìngtóu zoom lens Definitions Defs Origin Strokes Stroke Words Sentences Sents 变焦距 變焦距 biànjiāojù zoom zoom; varifocal; variable focal length镜头 鏡頭 jìngtóu noun camera lens The optical component of a camera or projector, made of a combination of lenses, used to form an image on film or a screen
