Roman numerals

(system of) letters representing numbers 罗马数字（体系）（以字母记数） =>App 4 见附录4. Cf 参看 arabic numerals (Arabic).

roller, roller bandage, roller towel, roller-blade, roller-coaster (Brit also switchback), roller-skate (also skate), roller-skating, rollicking, rolling stone, rolling-mill, rolling-pin, rolling-stock, rollmop, Rolls-Royce, roly-poly, ROM, Roman, Roman candle, Roman Catholic (also Catholic), Roman nose, Romance, Romanesque, Romania, Romano-, romantic, romantically, romanticism, romanticist, romanticize, romanticize, romanticise, Romany, Rome, romp, rompers, Ronald Reagan, rondo, rontgen, rood, rood-screen, roof,