[, ]a change to a lower value or worse condition 降低；衰落◆a downward slide in the price of oil 石油价格的下跌◆Drastic action was needed to prevent a slide into recession. 需要采取果断措施防止经济陷入衰退。⨁a downward / dramatic / sharp / steady / steep slide 下滑；暴跌；逐渐下降；骤降⨁to halt / prevent / stop a slide 停止／防止／终止下滑
[] a small piece of film held in a frame that can be shown on a screen when you shine a light through it 幻灯片◆a slide show/projector 幻灯演示；幻灯机
[] a single screen of information that is part of a presentation given using a computer （计算机）幻灯片放映◆Press F5 to run the slide show. 按 F5 键运行幻灯片放映。