mansard

n (also ,mansard `roof) roof with a double slope, the lower part being steeper than the upper part 复折式屋顶（下部比上部陡）.

manly, manna, manned, mannequin, manner, mannered, mannerism, manners, mannish, mannishly, mannishness, manoeuvrability (US maneuverability), manoeuvrable (US maneuverable), manoeuvre, manoeuvre (US maneuver), manometer, manor, manorial, manpower, manque, manse, manservant, mansion, manslaughter, mantel, mantelpiece, mantilla, mantis, mantle, mantrap, manual, manually, manufacture, manufactured, manufacturer, manufacturing, manumission, manumit, manure, manuscript,