acropolis
noun uk/əˈkrɒp.ə.lɪs/ us/əˈkrɑː.pə.lɪs/
[ C ] architecture specialized（古希腊城市的）卫城
a fortified part of an ancient Greek city (= a part that is protected against attack), usually built on a hill
the Acropolis 雅典卫城
the remains of the fortified part of the ancient Greek city of Athens, which consist of several buildings including the Parthenon