The date of manufacture of the jewellery has not been authenticated.
这些珠宝
制造日期尚未经证
。
、
靠或有效;
置;国书,信任状;The date of manufacture of the jewellery has not been authenticated.
这些珠宝制造日期尚未经证。
The museum made the mistake of accepting the painting before it had been authenticated.
博物馆在还未确认这幅画真性之前就错
它接受了。
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