Metropolises

n.

一国的主要城市（不一定是首都）( metropolis的名词复数 )；中心；大都会；大城市

Trade Policy and Third World Metropolises
Exploring indoor white spaces in metropolises
Overview of trace metals in the urban soil of 31 metropolises in China
Time-dependent personal tour planning and scheduling in metropolises
Time-dependent personal tour planning and scheduling in metropolises
World cities or great cities? A comparative study of five Asian metropolises
Conflicting stakes and governance in the peripheries of large Indian metropolises – An introduction
The World System of Cities: Relations Between International Financial Metropolises and South American Cities
NDVI indicated characteristics of vegetation cover change in China’s metropolises over the last three decades
Automotive energy use and emissions control: a simulation model to analyse transport strategies for Indian metropolises