色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

slipknot

英 ['sl?pn?t] 美
  • n. 活結(jié)，滑結(jié)

英文詞源

slipknot (n.)
also slip-knot, 1650s, from slip (v.) + knot (n.). One which easily can be "slipped" or undone by pulling on the loose end of the last loop.