unsubstantiated
01
未经证实的, 无根据的
lacking proof or evidence to support a claim or statement
例子
The unsubstantiated rumors quickly faded when no evidence was found.
当没有找到证据时，未经证实的谣言很快就消失了。
His unsubstantiated accusations were dismissed as false.
他毫无根据的指控被当作虚假指控驳回。
