The roof of the schoolhouse is covered with snow. 校舍的屋頂上覆蓋著積雪。
They gave me a quotation for mending the roof. 他們給了我修理屋頂的報價單。
A roofed promenade, especially one extending along the wall of a building and supported by arches or columns on the outer side. 游廊，柱廊有覆蓋物的散步場所，尤指從建筑物側墻延伸出去的由拱和柱在外側支持的廊