smut spore

例句：

1. 1. The food was spoiled by the smut.
   食物被霉变。
2. 2. The clothes are moldy because they have been stored in a damp place.
   衣服发霉了，因为它们被存放在潮湿的地方。
3. 3. The mold on the wall is a sign of poor ventilation.
   墙上的霉是通风不良的标志。