slide show
noun [ C ] uk/ˈslaɪd ˌʃəʊ/ us/ˈslaɪd ˌʃoʊ/
放映幻灯片
an occasion when you use a machine to show photographs on a wall
图片播放（电脑在屏幕上逐个显示不同的照片）
an occasion when a computer shows several different photographs one after another on a screen