conurbations
n.
有卫星城的大都市( conurbation的名词复数 );
例句:
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Cities, if unrestricted, tend to coalesce into bigger and bigger conurbations.
如果不加限制，城市往往会联合发展成越来越大的集合城市。
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It could be a slow death knell for rural communities near big conurbations.
来自THETIMES
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These are mostly remote rural areas, but include a surprisingly large number of places close to major conurbations.
来自BBC