duplicate noun

VERB + DUPLICATE make We made a duplicate of the key.

PREP. in ~ The contract is prepared in duplicate, so that both parties can sign it.

duplicate verb

ADV. exactly The original experiment cannot be exactly duplicated. | simply I wanted to avoid simply duplicating work that had already been done.

You can also check Google Dictionary: duplicate (English, 中文解释 ), wordnet sense

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