net blotch

例句：

1. 1. The website's design is riddled with net blotches, making it difficult to navigate.
   该网站的设计充斥着网络斑点，使得导航变得困难。
2. 2.The photographer noticed the net blotches on the photo, which made it look old and faded.
   摄影师注意到照片上的网络斑点，这使得照片看起来旧且褪色。
3. 3.The software had several net blotches that needed to be fixed before it could be used again.
   软件有多个网络斑点需要修复才能再次使用。