cotton flax

例句：

1. 1.She used to make clothes out of cotton.
   她过去常用棉花做衣服。
2. 2. Cotton is a natural fiber that is soft and absorbent.
   棉花是一种天然纤维，柔软且吸水性强。
3. 3.The cotton industry is an important part of the economy in many countries.
   棉花产业是许多国家经济的重要部分。