attest

/əˈtest/📚 8795 1GREsat
To attest something or attest to something means to say, show, or prove that it is true. 证明

verb [vt. 及物动词]<正式>证明,表明;<正式>(尤指在法庭上)证实;<史,英>宣誓服兵役

Police records attest to his long history of violence.
警方记录证明他有长期的暴力史。

at- 在同辅音字母的词根前,表示"一再"等加强意义attest 证实(at+test 试验→一再试验→证实)
at + test (证明) → 证明
单词造句:
网友用“Attest”造句精选
Contemporary accounts attest to his courage and determination. 当时的报道证实了他的勇气和决心。
I can attest to the absolute truth of his statement. 我可以证实他的话是千真万确的。