xylium

例句：

1. 1.The wood is made up of different types of cells, each with their own unique structure and composition.
   木材由不同类型的细胞组成，每种细胞都有其独特的结构和成分。
2. 2.The process of extracting lignin from wood involves using heat and chemicals to break down the complex bonds in the cell walls.
   从木材中提取木质素的过程涉及使用热和化学物质来破坏细胞壁中的复杂键。
3. 3. Lignin is a natural polymer that provides strength and durability to wood, making it an essential component for many products.
   木质素是一种天然聚合物，为木材提供强度和耐用性，使其成为许多产品的必需成分。