imperialism
noun [ U ] politics often disapproving uk/ɪmˈpɪə.ri.ə.lɪ.zəm/ us/ɪmˈpɪr.i.ə.lɪ.zəm/
帝国统治;帝国主义
a system in which a country rules other countries, sometimes having used force to get power over them
the age of imperialism 帝国主义时代
（尤指政治、经济上的）势力扩张，扩张主义
a situation in which one country has a lot of power or influence over others, especially in political and economic matters
She accused the United States of economic imperialism. 她指责美国推行经济扩张。