roof-top

n (a) outer surface of a roof 屋顶的外层.(b) (esp rhet 尤作修辞) top of a building 建筑物的顶部: flying swiftly over the roof-tops 迅速飞越屋顶.

Romania, Romano-, romantic, romantically, romanticism, romanticist, romanticize, romanticize, romanticise, Romany, Rome, romp, rompers, Ronald Reagan, rondo, rontgen, rood, rood-screen, roof, roof-garden, roof-rack (also `luggage-rack), roof-tree, roofing, rook, rookery, rookie, room, room service, room-mate, roomer, roomful, roominess, rooming-house, roomy, roost, rooster, root, root beer, root vegetable, root-crop, rooted,