vt.证实；实体化
The eyewitness can substantiate all the testimony. 目击证人能够证实所有的证词。
Despite this, more research is needed to substantiate this association. 尽管如此，这种联系还有赖更多研究来佐证。
Field experience did not usually substantiate the claims. 实际经验通常都不能使这些看法具体化。
adj.无事实根据的
