rolling-stock

n [U] railway engines, carriages, wagons, etc collectively 铁路各种车辆的总称.

roll up, roll-bar, roll-call, roll-on, roll-on roll-off, roll-top desk, roll-up, rolled gold, rolled oats, 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, rollmop, Rolls-Royce, roly-poly, ROM, Roman, Roman candle, Roman Catholic (also Catholic), Roman nose, Roman numerals, Romance, Romanesque, Romania, Romano-, romantic, romantically, romanticism, romanticist, romanticize, romanticize, romanticise, Romany,