| 单词 | transparencies |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔epidiascope〕A machine for projecting the images of opaque objects or transparencies on a screen.透反射两用幻灯机：用于将不透明或透明物体的影象投影到屏幕上的机器美国传统〔film〕A thin sheet or strip of developed photographic negatives or transparencies.底片，幻灯片：显影后的照相底片或幻灯片的薄片美国传统〔transparency〕The professor used transparencies and an overhead projector during her lectures.那名教授在她自己的课堂上使用幻灯片和投影仪。韦氏高阶〔viewer〕Any of various optical devices used to facilitate the viewing of photographic transparencies by illuminating or magnifying them.观察器：通过变亮或者放大来提高图像清晰度的一种视觉设备美国传统Museums usually keep original transparencies and negatives of photographs in temperature-controlled, dark storage vaults.博物馆通常将原始的幻灯片和影像胶片存放在控温、阴暗的储藏室里。剑桥国际 |
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