Something,such as a window shade or a Venetian blind,that hinders vision or shuts out light. 遮光物如窗帘或软百叶窗等能遮挡视线或挡住阳光的物体。
The extract takes room air through the light shelf and lower window venetian blind cavity via the clerestory glazing plenum. 这些汲取设备通过遮阳构架和较低的活动百叶窗间隙再经由天窗双层玻璃或的室内通风。
