Level 5 · word 9,209 of 20,000

substantiate

/səbˈstænʃiˌeɪt/ American
  • v. 证实, 证明
Definition
  • v. to prove that something is true with evidence
Example
He could not substantiate his claims with any real evidence.
他拿不出任何真凭实据来证实自己的说法。