Elementary 📚 Vocabulary · #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
💡 Tip: City transport // Travel // Commuting
Practise this topic in the appPractise Elementary quiz
← station (n.)tunnel (n.) →

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