The date of manufacture of the jewellery has not been authenticated.
这些珠宝的制造日期尚未经证
。
的、可靠的或有效的
词;
置;The date of manufacture of the jewellery has not been authenticated.
这些珠宝的制造日期尚未经证。
The museum made the mistake of accepting the painting before it had been authenticated.
馆在还未确认这幅画的真性之前就错误地把它接受了。
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