deliquescent layer

例句：

1. 1. The chemical reaction has left the sample with a deliquescent layer of impurities.
   化学反应使样品留下了一层脱色杂质。
2. 2.The scientist found that the deliquescent layer was caused by the exposure to sunlight.
   科学家发现，脱色层是由于暴露于阳光造成的。
3. 3. The process of decolorization is essential for removing any remaining impurities from the deliquescent layer.
   脱色过程对于去除脱色层中剩余的杂质至关重要。