摩擦
?rub
?friction; clash; conflict
你不斷～，顏色就掉了。If you keep rubbing,the paint will come off./小貓在他腿上輕輕地～。The kitten is rubbing gently against his leg./在這個問題上雙方之間有～。The two sides have frictions (or conflicts) on this issue./就我們來說，這些～是被動式的。As far as we are concerned,these frictions are not of our own making (or have been imposed on us)./兩黨之間的～clash or friction between the two Parties/與某人發(fā)生～have a brush with sb /制造～ create friction /～生電。Friction generates electricity./～力friction/～系數(shù)frictional factor/～阻力frictional resistance