1550s, "darkness of meaning, obscurity," from French opacité, from Latin opacitatem (nominative opacitas) "shade, shadiness," from opacus "shaded, dark, opaque" (see opaque). The literal sense "condition of being impervious to light" first recorded 1630s.
双语例句
1. Its dramatic nuances were often generalised to the point of opacity.
它那戏剧性的微妙之处常被含糊处理到了晦涩的地步。
来自柯林斯例句
2. Opacity of the eye lens can be induced by deficiency of certain vitamins.
眼球晶状体的混浊可由缺乏某些维生素造成。
来自柯林斯例句
3. He insisted that the mineral content of the water determined the opacity.
他坚持认为水的清澈程度取决于其中矿物质的含量。
来自辞典例句
4. Opacity of the lens is readily visible, especially in advanced cases.
晶状体的混浊易于识别, 特别是在晚期病例.
来自辞典例句
5. By definition a cataract is an opacity in the lens.
