rack-railway (also esp US cog-railway)

n railway that has a cogged central rail with which a cogged wheel on the train engages to drive the train up a steep slope 齿轨铁道（设有带齿的中轨, 与列车带齿的车轮啮合, 将列车送上陡坡）.

race relations, race-meeting, race-riot, race-track, racecard, racecourse, racegoer, racehorse, raceme, racer, racial, racialism, racialist, racially, racily, raciness, racing, racism, racist, rack, rack-rent, racket, racket (also racquet), racket-press, racketeer, racketeering, rackety, raconteur, racoon, racy, RADA, radar, radar trap (also speed trap), radial, radially, radiance, radiant, radiantly, radiate, radiation,