[VERB 动词]证实;证明 To substantiate a statement or a story means to supply evidence which proves that it is true.
[V n]
[FORMAL 正式]
There is little scientific evidence to substantiate the claims.
这些主张几乎找不到科学依据来证实。
substantiation
There may be alternative methods of substantiation other than written records.
除书面记录外,可能还有其他方法可以证实。
Oxford
sub·stan·ti·ate/səbˈstænʃieɪt; NAmEsəbˈstænʃieɪt/verbsubstantiatesth ( formal) to provide information or evidence to prove that sth is true 证实;证明◆The results of the tests substantiated his claims.这些检验的结果证实了他的说法。▶sub·stan·ti·ation/səbˌstænʃiˈeɪʃn; NAmEsəbˌstænʃiˈeɪʃn/noun[uncountable ]substantiatesubstantiatessubstantiatedsubstantiatingsub·stan·ti·ate/səbˈstænʃieɪt; NAmEsəbˈstænʃieɪt/sub·stan·ti·ation/səbˌstænʃiˈeɪʃn; NAmEsəbˌstænʃiˈeɪʃn/
formal to prove the truth of something that someone has said, claimed etc: Katzen offered little evidence to substantiate his claims.—substantiation /səbˌstænʃiˈeɪʃən/ noun [uncountable]