bast fiber

bast-fiber的词性：
n.Botany （名词）【植物学】

1. Any of various durable fibers obtained from the phloem or from tissues outside the phloem. These fibers include flax, hemp, jute, and ramie and are used for textiles and cordage.
韧皮纤维：各种来自韧皮或其外部组织的坚韧纤维，这些纤维包括有：亚麻、大麻、黄麻纤维，可用来作织物和绳索