decolorise

例句：

1. 1.The old paintings were decolorised by the damp air.
   旧画被潮湿的空气褪色了。
2. 2.The book was decolorised by the passage of time.
   这本书被时间的流逝褪色了。
3. 3. The fabric was decolorised by the sunlight.
   这件衣物被阳光褪色了。