英语语法分析

I do object to their claim, which I find totally unsubstantiated.

我确实反对他们的说法，我发现那是完全没有根据的。

《柯林斯英汉双解大词典》

There are reports that some military aircraft flew information when they were low on fuel during the Second World War, but Dr. Lissaman says they are unsubstantiated.

有报道称，二战期间，一些军机曾在燃料不足的情况下编队飞行。但利萨曼博士表示，这些说法没有根据。

Most negative comments, on both sides, are usually technically unsubstantiated.

所有的负面评论，无论哪一方，通常都是技术上站不住脚的。