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
1.The story formed by a mansard roof is usually called the garret.
由双重斜坡屋顶形成的那一层通常称为阁楼。