1·They make nests in trees and roofs.
它们在树上，屋顶上安巢。
2·Hailstones were rattling on the roofs.
雹子打在屋顶上乒乓乱响。
—— 《新英汉大辞典》
3·On the flyover near Balintawak station, I peer down at a chessboard of tin roofs.
在巴林塔瓦克车站附近的立交桥上，我俯视着桥下如棋盘般的铁皮屋顶。
4·Buildings without roofs, for example, are unusual because they depart from the norm.
例如，没有屋顶的建筑是不常见的，因为它们不符合常规。
5·Gharib has already been contacted by a civil engineer in Nicaragua, who wants to put up buildings with adobe roofs supported by concrete arches on a site that heavy equipment can't reach.
尼加拉瓜的一位土木工程师已经联系了加利普，这位工程师想在重型设备无法到达的地方建造由混凝土拱架支撑的土坯屋顶。