复数：mansards 单数：mansard roof 复数：mansard roofs
1.(法国建筑家 Mansard 设计的)覆斜屋顶;(覆斜屋顶的)屋顶室,阁楼
1.a roof that slopes at a steeper angle at the lower part than at the upper part
mansard roofsmansard roofsmansard roofs