单词	megacity
释义	English Business megacitynoun [ C ] uk/ˈmeɡ.ə.sɪt.i/us/ˈmeɡ.ə.sɪt̬.i/ a very large city, especially one with more than 10 million people living in it Thesaurus: synonyms and related words Towns & regions: towns, cities & villages (general) aerotropolis backwater bedroom community Cantabrigian capital citywide conurbation county borough dormitory town Greater hill station hometown metropolis metropolitan native place one-horse town port settlement small-town town See more results » megacitynoun [ C ] plural megacities also mega-city, mega city uk/ˈmeɡəˌsɪti/us a very large city that has a population of more than 10 million people and that is often made of two or more urban areas that have grown so much that they are connected: Lagos is a mega-city that now stretches over roughly 300 square kilometres. London is likely to become one of the world's biggest megacities by 2020.
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