Another common signpost phrase that signals an unusual name is 'referred to as', used here by someone talking about hemp: Inside the stem is the pith, which is referred to as the hurd fibre.

另一个表示不寻常名称的常见路标短语是“被称为”，有人在谈论大麻时使用了它：茎内是髓， 被称为 hurd 纤维。