environment就是名词。
n. 环境，外界Children need a caring environment.
儿童需要一个充满关怀的环境。
He has always been pro the environment.
他一向支持环境保护。
The environment has become a very hot issue.
环境已成为很热门的话题。
She works in a predominantly male environment.
她在一个男性居多的环境里工作。
These gases cause untold damage to the environment.
这些气体对环境造成难以估计的破坏。