• Ropes at that time was made from silk fibers, animal fur etc. Idea of making a rope came from vines.

    当时绳子用丝织品动物皮毛

    youdao

  • Ropes at that time was made from silk fibers, animal fur etc. Idea of making a rope came from vines.

    当时绳子用丝织品动物皮毛

    youdao

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