blind fast的用法和樣例：
例句
- Something,such as a window shade or a Venetian blind,that hinders vision or shuts out light.
遮光物如窗帘或軟百葉窗等能遮擋視線或擋住陽光的物體。 - The extract takes room air through the light shelf and lower window venetian blind cavity via the clerestory glazing plenum.
這些汲取設備通過遮陽構架和較低的活動百葉窗間隙再經由天窗雙層玻璃或的室內通風。
