Colonialism is the practice by which a powerful country directly controls less powerful countries and uses their resources to increase its own power and wealth.
双语例句
例： the bitter oppression of slavery and colonialism.
奴隶制和殖民主义的残酷压迫。
例： It is interesting to reflect why European colonialism ended.
反思欧洲殖民主义结束的原因很有意思。