天然纤维取白植物、动物和矿物，包括棉、麻、毛、丝。

Natural fibers are derived from plants, animals, or minerals, and include cotton, flax, wool, or silk.

youdao

天然纤维取白植物、动物和矿物，包括棉、麻、毛、丝。

Natural fibers are derived from plants, animals, or minerals, and include cotton, flax, wool, or silk.

youdao