11 A rollaway can be moved into a room to sleep an extra person, and a hide-a-bed is a sofa that folds out to make a bed.
11 A rollaway can be moved into a room to sleep an extra person, and a hide-a-bed is a sofa that folds out to make a bed.
11滚动式折叠床可随时推人房内，为客人加铺，而暗床则是一种沙发式折叠床、摊开后可作床用。