amyloplast

例句：

1. 1. The amyloplasts were found to be composed of lignin and cellulose.
   发现这些木素和纤维素组成的木素体。
2. 2. Amyloplasts are often used in the production of paper products.
   木素体通常用于生产纸制品。
3. 3. The process of deconstructing amyloplasts has been studied extensively.
   对分解木素体的过程进行了广泛研究。