unbleached rags

例句：

1. 1. The clothes are made from unbleached cotton.
   这些衣服是用未漂白的棉制成的。
2. 2.The fabric is unbleached to reduce the environmental impact.
   这种面料是未漂白的，以减少对环境的影响。
3. 3.The unbleached wool is softer and more comfortable than regular wool.
   未漂白的羊毛比常规羊毛更柔软、更舒适。