raw cotton

例句：

1. 1.The raw cotton is soft and comfortable to wear.
   这种生棉柔软舒适，适合穿着。
2. 2. He used to work in a cotton mill before he retired.
   他在退休前曾在一家棉布厂工作。
3. 3. The raw cotton is being processed into yarn for the next step in the textile process.
   生棉正在被加工成纱线，准备进入纺织过程的下一步。