grainy
adjective uk/ˈɡreɪ.ni/ us/ˈɡreɪ.ni/
（照片）有颗粒的，粒状的
If photographs are grainy, they are not clear because the many black and white or coloured dots that make up the image can be seen.
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。