SLR

美 [.es el 'ɑr]

英 [.es el 'ɑː(r)]

abbr.（照相机）单镜头反光式
n.【摄】单反
网络单反相机(Single Lens Reflex)；卫星激光测距(satellite laser ranging)；单镜反光(Single Lens Reflector)

权威英汉双解

SLR

abbr.

1.	（照相机）单镜头反光式，单反single-lens reflex (used to describe a camera in which there is only one lens which both forms the image on the film and provides the image in the viewfinder )