“城市化”常见的英文表达是 urbanization [ˌɜːrbənaɪˈzeɪʃn] 。它指的是人口向城镇地区集中、农村地区转变为城市地区的过程，涉及经济、社会、空间等多方面的变革。
例句：
Rapid urbanization has brought about many challenges, such as traffic congestion and housing shortages.（快速的城市化带来了许多挑战，比如交通拥堵和住房短缺。）
The government is taking measures to promote balanced urbanization.（政府正在采取措施促进均衡的城市化。）