racket-press

n frame worked by a spring, used for holding a racket tightly when not in use, to prevent warping, etc 球拍夹（有弹簧的架框, 用以保存球拍）.

racecard, racecourse, racegoer, racehorse, raceme, racer, racial, racialism, racialist, racially, racily, raciness, racing, racism, racist, rack, rack-railway (also esp US cog-railway), rack-rent, racket, racket (also racquet), racketeer, racketeering, rackety, raconteur, racoon, racy, RADA, radar, radar trap (also speed trap), radial, radially, radiance, radiant, radiantly, radiate, radiation, radiation sickness, radiator, radical, radicalism,