transparency

1. N-COUNT A transparency is a small piece of photographic film with a frame around it which can be projected onto a screen so that you can see the picture. 幻燈片

...transparencies of masterpieces from Lizzie's art collection. …莉齊藝術(shù)收藏品中一些杰作的幻燈片。

2. N-UNCOUNT Transparency is the quality that an object or substance has when you can see through it. 透明性

Cataracts affect the transparency of the eye's lenses. 白內(nèi)障影響眼睛晶狀體的透明度。