green stain

例句：

1. 1.The clothes were stained with a green stain from the grass.
   衣服上沾满了从草地上来的绿色污渍。
2. 2. The green stain on the wall was caused by a spilled drink.
   墙上的绿色污渍是由一杯洒落的饮料造成的。
3. 3. The stain on the table is a result of the food left over from dinner.
   桌子上的污渍是晚餐剩下的食物造成的。