substantiate
substantiate[səbˈstanʃɪeɪt]verb- [with obj.]provide evidence to support or prove the truth of
证实,证明
they had found nothing to substantiate the allegations.
他们没有找到任何东西证实这些说法。
派生substantiationnoun语源- mid 17th cent.: from medieval Latin substantiat- 'given substance', from the verb substantiare
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