SLR camera
noun [ C ] uk/ˌes.elˌɑː ˈkæm.rə/ us/ˌes.elˌɑːr ˈkæm.rə/ (also SLR, /ˌes.elˈɑːr/ /ˌes.elˈɑːr/)
单镜头反光式照相机（SLR为single-lens reflex的缩写）
abbreviation for single-lens reflex camera: a type of camera in which the same lens (= a special piece of glass) is used for looking at and recording an image