问题描述：
英语翻译
take a handful of line(长纤),and tie round on end of it carefully with the two ends of the string round your waist and secure with a reef knot.
take a handful of line(长纤),and tie round on end of it carefully with the two ends of the string round your waist and secure with a reef knot.
问题解答：
我来补答展开全文阅读