hygroscopic water

例句：

1. 1. The material is known to be hygroscopic, which means it can absorb moisture.
   这种材料已知具有吸湿性，意味着它能吸收水分。
2. 2.The soil is very hygroscopic, so it needs to be kept moist.
   土壤非常吸湿，所以需要保持湿润。
3. 3.The plant's leaves are hygroscopic, which helps them stay green during the dry season.
   植物的叶子是吸湿的，这有助于它们在干旱季节保持绿色。