天光
Skylight portals could hang with the light cache. 灯光缓存的天光进入不能中止。
There was one small barred window, too small to let very much air in or out, too high to afford more than a glimpse of the sky. 装有铁条的小窗户倒是有一扇，但小得空气都几乎无法进出，还高到让人只得瞥见一抹天光。
