opacity
n. 不透明；不传导；暧昧
复数 opacities
例句
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引起。
《柯林斯英汉双解大词典》
The posterior capsular opacity were occurred in 18 eyes(22.0%)with YAG laser capsulectomy on 2 eyes.
有18只眼是后发性白内障（22.0%），其中2眼需进行 YAG 激光后囊膜切开术。
Set the Opacity to 100%.
设置透明度为100%。
