pentoseenes

例句：

1. 1.The pentose sugars are the building blocks of many plant cells.
   五碳糖是许多植物细胞的构建块。
2. 2.The pentose sugars are essential for the growth and development of plants.
   五碳糖对植物的生长和发育至关重要。
3. 3.In addition to glucose, other pentose sugars such as xylose and arabinose are also found in plants.
   除了葡萄糖，其他五碳糖如木糖和阿拉伯糖也在植物中被发现。