stain fungus

例句：

1. 1. The clothes have been stained by the wine spilled on the table.
   这些衣服被桌上溢出的酒弄脏了。
2. 2.The mold on the wall is a sign of poor ventilation in the house.
   墙上的霉菌是家里通风不良的标志。
3. 3. Fungus is a type of living organism that grows on dead organic matter.
   真菌是一种在死有机物质上生长的生物。