n.

1. 上部構造
2. 上層建築物
3. 上層建築

n.

1. a structure built on top of something else.
   ▸the part of a building above its foundations.
   ▸the parts of a ship, other than masts and rigging, built above its hull and main deck.
2. a concept or idea based on others.
3. (in Marxist theory) the institutions and culture considered to result from or reflect the economic system underlying a society.