megacity

megacity — noun

1. A city that has an extremely large number of residents, typically ten million or

1.名詞B2
釋義

A city that has an extremely large number of residents, typically ten million or more, creating major challenges for housing, transport, and other services.

例句

Tokyo is a megacity with over thirty-seven million people in its wider metro area.

be + a megacity — classifying a city

The megacity of Mumbai has a train system that carries millions daily.

the megacity of [place name]

同義詞
  • metropolis

    A broad term for any large, important city; does not specify a population threshold and can refer to cities smaller than ten million.

  • conurbation

    A technical term for a continuous urban area formed when separate towns and cities grow together; may or may not reach megacity population.

  • megalopolis

    An even larger scale — a chain of connected metropolitan regions, such as the Boston–Washington corridor.

反義詞
  • village

    A small settlement in a rural area, far smaller than a megacity in both population and density.

  • small town

    A community with only a few thousand residents, lacking the scale and complexity of a megacity.

文法句型

megacity + of + place name

become / grow into + a megacity

用法筆記

Different organizations use slightly different population thresholds; the United Nations defines a megacity as a metropolitan area with more than ten million inhabitants. This term appears most often in geography, demography, and urban-planning discussions.

常見錯誤

❌Tokyo is a mega city with 37 million people.
✅Tokyo is a megacity with 37 million people.
💡The word is written as one word, not two.
❌I live in a megacity that called Shanghai.
✅I live in a megacity called Shanghai.
💡Use 'called' (past participle) instead of 'that called' to introduce the name.