单词mansard-roof
n.: (法国建筑家 Mansard 设计的)覆斜屋顶；阁楼网络: 折线形屋顶；马萨式屋顶；萨屋顶
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。