boon noun

ADJ. enormous, great, real, tremendous

VERB + BOON be, come as, prove

PREP. ~ for The building scheme comes as an enormous boon for the building industry. | ~ to These machines have proved a real boon to disabled people.

You can also check other dicts: boon (English, 中文解释 ), wordnet sense, Collins Definition

  • IELTS Speaking Topics (part 1,2,3)
  • IELTS Essay Writing Topics
  • IELTS Writing Ideas
  • Free Collocation Download