Public worries about accidents are threatening the very existence of the nuclear power industry. 

公众对事故的担忧正威胁着核电行业的生存。

very 与名词连用，强调重要性或严重性:意思仅仅的，唯独的，甚至于，就连

At one stage his very life was in danger. 

他的生命都曾一度处于危险之中。

The very basis of Indian politics has been transformed.

甚至于印度的政治基础都被改变了。