Elementary ๐Ÿ“š Vocabulary ยท #996 of 1319

underground (n.)

a city railway below ground

Examples

  • Take the underground.

Key rules

  • The underground is a city railway below ground
  • Take the underground, the London Underground
  • Underground is uncountable as the system
๐Ÿ’ก Tip: City transport // Travel // Commuting

Related Elementary topics

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