vt.详细地说；证明

Below, my general circumstantiate bright these problems. 下面,我将详细地说明这些问题。

"Further studies are needed to better circumstantiate these conditions and to provide safe rules for the use of this increasingly more widespread device. 根据业界估计，今年大约为730百万手机被销售出去，并且全球有将近20亿人已经在使用手机。

After 40 years today, mr Yu Guangyuan is this print compose especially this memory article, circumstantiate understands the setting case that that the talk has. 40年之后的今天,于光远先生特为本刊撰写了这篇回忆文章,详细地说明了那次谈话之所以进行的背景情况。