immature fibre

例句：

1. 1.The textile industry relies heavily on the production of unripe fibres for its products.
   纺织行业严重依赖未成熟纤维的生产，以生产其产品。
2. 2. The growth of new trees requires a lot of unripe fibre to build their initial structure.
   新树的生长需要大量的未成熟纤维来构建它们的初始结构。
3. 3.The company's research focuses on developing more efficient methods to extract and process immature fibres from natural resources.
   该公司的研究重点在于开发更有效的方法，从自然资源中提取和加工未成熟纤维。