sulfallate

例句：

1. 1.The leaves of the tree turned yellow with age.
   随着年龄的增长，这棵树的叶子变黄了。
2. 2. The fabric has faded in the sun.
   这件衣物在阳光下已经褪色了。
3. 3. The paint on the wall is starting to discolor.
   墙上的油漆开始变色了。