The researchers explained that the study demonstrated when we are in a novel environment the brain partly remains alert so that humans can defend themselves against any potential danger.

研究人员解释说，这项研究表明当我们处于新环境，大脑会部分保持警觉，这样人类就能在各种潜在的危险中保护自己。

He realized the potential danger.

他意识到了潜在的危险。

The red light signaled potential danger.

红灯表示有潜在危险。

The hole in the road is a potential danger.

路上的那个坑是个潜在的危险。

Let us look at another potential danger in this work.

让我们考察这种工作中的另一个潜在危险。