城镇常住人口的英文：
resident population in urban areas

resident是什么意思：
n. 居民；住院医生；留鸟
adj. 居住的；住校（院）的；无迁徙习性的；固有的

resident anxieties.
内在的焦虑

They reside abroad.
他们居住在国外。

I'm not a resident here.
我不是本地居民。

population是什么意思：
n. 人口；全体居民；动植物总数

The population is on the decline.
人口在减少。

The population is dwindling.
人口在逐渐减少。

Attach importance to the problem of population aging (an aging population )
重视老龄化问题

urban是什么意思：
adj. 城市的；住在都市的；具有城市特征的

Urban life brought urban refinements: newspapers and periodicals, libraries, clubs and societies.
都市生活带来了都市的文化享受：报纸、杂志、图书馆、俱乐部、社交团体。

Urban infrastructure facilities have improved considerably
城市基础设施有了很大改观。

urbanized industry was limited primarily to the Northeast
城市工业主要局限于东北部。