sliding friction

英 美
  • 滑动摩擦
  • friction n.摩擦;摩擦力;分歧
  • sliding n.滑;滑行;移动动词slide的现在分词.
    1. In the case of roller bearings,the rolling friction is substituted for sliding friction.
      就滚柱轴承而论,滚动摩擦代替了滑动摩擦。
    2. I hope you don't mind if I keep rubbing my clit and sliding my fingers deep inside my hot wet cunt.
      我希望你不介意我保持我的阴部并滑动摩擦我的手指深埋在我热湿的阴部。