采光井允许出入或光线和空气进入地下室门窗的凹陷的小区域 A small, sunken area allowing access or light and air to basement doors or windows.
固定百叶窗一个有框架的开口处，比如在一堵墙里，门里或窗户里。安装有固定的或活动的水平条板，用来通风、采光、遮雨 A framed opening, as in a wall, door, or window, fitted with fixed or movable horizontal slats for admitting air and light and shedding rain.
这些窗户采光及通风性能良好。 The windows permit light and air to enter.
