科学家们将植物剪枝放入水中，水里含有一种被称作PEDOT - S的水溶性高聚物。
The scientists placed plant cuttings in water that contained a water-soluble polymer called PEDOT-S.
木质素作为植物中蕴藏量仅次于纤维素的高聚物，是一种廉价易得，储量丰富，环境友好的可再生天然资源。
Lignin, which exists as high polymer in plant, is a sort of environment friendly and reproducible natural resource, whose reserves in the world is next to cellulose.
研究结果表明：高聚物不仅能提高土壤的持水力和增加土壤水对植物的有效性，而且还能抑制土壤水的蒸发。
The result shows that the high polymers VAM and PHM can not only enhance the water retention ability and the available water content, but also prevent the evaporation from the surface soil.
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