摩擦: 1.(互相接触的两物体作来回相对运动) rub; chafe 短语和例子轴颈在轴承面上摩擦。 the journal rubs against the bearing surface.2.[物理学] (相互接触的两物体在接触面上发生阻碍相对运动的现象) friction 短语和例子滚动摩擦 rolling friction; 滑动摩擦 sliding friction; 把
相互: mutual; reciprocal; each other 短语和例子相互扭打 pitch into each other; 相互依存, 相互促进 (politics and economics are) interdependent, mutually promotive; 相互影响 influence each other; interact; 相互关系 mutual