polysaccharides

例句：

1. 1. Polysaccharides are a type of complex carbohydrates that are found in many foods.
   多糖是一种在许多食物中发现的复杂碳水化合物。
2. 2.The study of polysaccharides has led to the discovery of new drugs and materials.
   对多糖的研究已经发现了新的药物和材料。
3. 3. Polysaccharides are also important for energy storage and transport in plants.
   多糖对于植物的能量储存和运输也非常重要。