a. 倾斜的
原型 slope 过去式 sloped
The attic has a sloped ceiling with wooden beams exposed.
阁楼的天花板是斜的,露出木梁.
The architect designed a house with a sloped roof for better drainage.
建筑师设计了一栋屋顶带斜坡的房子,以改善排水。