underbleaching

例句：

1. 1. The underbleaching process is crucial for the quality of the fabric.
   漂白过程对织物的质量至关重要。
2. 2.The underbleaching agent used in this factory is highly effective.
   这家工厂使用的漂白剂非常有效。
3. 3. During the underbleaching stage, the fabric is exposed to a chemical solution that removes any remaining color.
   在漂白阶段，织物暴露在化学溶液中，以去除任何剩余的颜色。