本文叙述了毛条在在染色中的匹尾毛和在精梳中下脚毛的开发利用。

The article describes developping and using of tail-end wool in dyeing and wasty wool in combing.

来到一处杂草丛生的土坎下时，松鼠母亲咚咚咚地在土坎上跺了三下脚。

Came under a grassy ridge, the squirrel mother tapping on the ridge stamped in three scraps.