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1·Others vouched for the material.

其他的为这种材料作证。

2·He vouched his words by his deeds.

他以行动证实了他的诺言。

3·You vouched for me.

你居然还为我担保来着。

4·I vouched for you.

我替你担保的。

5·He vouched that she was really with him at the time.

他保证当时她确实和他在一起。

6·I've vouched for this installation's safety and skill.

我已经为安装的安全和技术担保。

7·The experts have vouched for the painting's authenticity.

专家已经确认了该画是真迹。

8·Digital certificates are the mechanism for providing public keys in this vouched-for form.

数字证书就是一种以第三方证明的形式提供公开密匙的机制。

9·On the other hand, its genuineness is vouched for by the whole character of the narrative.

另一方面，其真实性是凭证的整个性质的说明。

10·The company and the scientists who vouched for its products earned widespread public opprobrium.

这家公司与那些保证其产品功效的科学家们被公众所不齿。

(1)vouch for担保；保证