He says he'll have no problem authenticating the stamp. [VERB noun]
他说自己可以对这枚邮票进行鉴定。
All the antiques have been authenticated and recorded. [VERB noun]
所有的古董都已经过鉴别并进行记录。
He had purchased a painting in reliance upon the authentication of a well-regarded expert.
他买下了一幅经知名专家鉴定过的画。
Documentaries offered the chance to authenticate the accuracy of the various details in these models. [VERB noun]
纪录片为核实这些模型中各种细节的准确性提供了机会。
There have now been well authenticated reports that the use of this drug is very occasionally responsible for heart attacks. [VERB-ed]
现在已有非常可靠的报告证明该药物偶可引发心脏病。
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