a structure built on top of something else
上部建筑,上部结构。
the parts of a ship, other than masts and rigging, built above its hull and main deck
(船除了桅杆和绳索的)主甲板上部结构。
the part of a building above its foundations
(建筑物的)上部建筑。
a concept or idea based on others
上层概念。
(in Marxist theory)the institutions and culture considered to result from or reflect the economic system underlying a society
(马克思主义理论中的)上层建筑。