to mildew

• 发霉

to mildew的用法和样例：

例句

1. Foods are easily to be mouldy in humid days.
   潮湿的日子里，食物很容易发霉。
2. The grain is liable to mildew when the humidity in the barn is too high.
   仓库里潮气太大，粮食就容易发霉。