Opacity of the eye lens can be induced by deficiency of certain vitamins.眼睛晶状体的浑浊可能由缺乏某些维生素所致。

He insisted that the mineral content of the water determined the opacity.他坚持认为水中的矿物质含量决定水的清澈度。

Its dramatic nuances were often generalized 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。