vt.宣称…为真实的; 证明，证实; 作证; 使宣誓，使发誓
vi.证实; 证明

attest证实，证明
前缀at-同ad-. 词根test, 见证，来自PIE *tri-st, *tri同three, 三。st,站。即第三者，见证者，词源同testis, 睾丸，testament，证词。单词test, 测试，同词根terra, 土，见terrestrial, 领土的。原指土制陶罐用来检测贵金属如金，银纯度。字母r,s音变。

attest to → 证实；证明
attest function → 查证职能；验证职能；公证职能；验收功能
legal attest letter → 存证信函
M Attest 290 Auto-Reader → M快速生物阅读器
Sun Attest → 太阳之证
attest auditor → 公证审计师
attest audit → 公证审计；证明审计
attest t → 证明；证实
M Attest Auto-Reader → M快速生物阅读器

1. I can personally attest that the cold and flu season is here.
[汉]感冒和流感季节来了，对此我有切身体会。
——来自柯林斯例句
2. Police records attest to his long history of violence.
[汉]警方记录证明他有长期从事暴力活动的前科。
——来自柯林斯例句
3. Contemporary accounts attest to his courage and determination.
[汉]当时的报道证实了他的勇气和决心。
——来自《权威词典》
4. I can attest to the absolute truth of his statement.
[汉]我可以证实他的话是千真万确的.
——来自《现代汉英综合大词典》
5. These ruins sufficiently attest the former grandeur of the place.
[汉]这些遗迹充分证明此处昔日的宏伟.
——来自《现代汉英综合大词典》

【Verb】

1. provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes;
"His high fever attested to his illness"
"The buildings in Rome manifest a high level of architectural sophistication"
"This decision demonstrates his sense of fairness"
2. authenticate, affirm to be true, genuine, or correct, as in an official capacity;
"I attest this signature"
3. give testimony in a court of law
4. establish or verify the usage of;
"This word is not attested until 1993"