recessed

1. ADJ If something such as a door or window is recessed, it is set into the wall that surrounds it. (門或窗)置於牆內凹陷処的; 嵌入牆裡的

...a wide passage, lit from one side by recessed windows. ...一邊有凹窗、光線可以照射進來的寬敞走廊。