heterofil

例句：

1. 1.The company produces heterofil, which is used in the production of clothing and home textiles.
   该公司生产异纤维，用于生产服装和家用纺织品。
2. 2.Heterofil has been shown to improve the strength and durability of materials.
   异纤维已被证明可以提高材料的强度和耐久性。
3. 3. The use of heterofil in carpet manufacturing has become increasingly popular in recent years.
   近年来，在地毯制造中使用异纤维变得越来越流行。