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. 固定百葉窗一個(gè)有框架的開口處，比如在一堵墻里，門里或窗戶里。安裝有固定的或活動(dòng)的水平條板，用來通風(fēng)、采光、遮雨
One of the narrow openings formed by such slats. 條百頁由這種條板組成的狹窄開口