The Urbanization Challenge in Africa: Growth and Management of Its Large Cities;
非洲城市化挑战：大城市的发展和管理
or characteristic of a major city
大城市的，在都会的
Serious pollution in big cities gives some cause for anxiety/concern/worry.
大城市的污染令人担忧。
This city is twice the size of that one.
这个城市的大小是那个城市的两倍。
Your city is by and large a consumer city.
你们的城市大体上是个消费城市。
By "the cities" I mean the big cities in particular.
我所说的"城市"主要是指大城市。
The following cities are among the largest in the world,
下列城市属于世界上的大城市：
The Influence of Great City Event on Urban Spatial Structure;
重大城市事件对城市空间结构的影响
The Dividing Work View for City Way Choice--Big City or Small Town;
城市化道路选择的分工观点——大城市还是小城镇
a large overflow of population from the cities
从城市外流的大批人
the largest city of Ecuador.
尔厄瓜多尔的最大城市。
the myriad life of the metropolis.
大城市多姿多彩的生活
Beijing is a very big city.
北京是个很大的城市。
At times he does miss the big city.
他有时的确怀念大城市。
(informal) the main street of a town or city.
（不规则）城市的主要大道。
a small - scale model of the new city hall.
新城市大厦的小型模型
a city invaded by tourists
游客大批涌入的城市
The System Research of Urban Greens System in Ecological Construction of DaLian;
大连市生态城市建设中的城市绿地系统研究