cushion

n.垫子，坐垫

cursive, cursor, cursorily, cursory, curt, curtail, curtailed, curtailment, curtain, curtain-call, curtain-raiser, curtly, curtness, curtsey (also curtsy), curvaceous, curvature, curve, curved, curved glass, curvy, cushy, cusp, cuss, cussed, custard, custard pie, custodial, custodian, custody, custom, Custom House, custom-built (also custom-made), customarily, customary, customer, customize, customize, -ise, customs, customs house, customs union,