需要atmosphere situation state phenomenon的辨析

1 .atmosphere :气氛 ，尤其带有有感情色彩。
the cold atmosphere in that room made me uncomfortable .

2 .state:状态,指感情的状况,或者专业术语中使用.
she met him during the state of sadness .
or
liquid state

3 .situation :状况，多指事态。
the situation got more and more serious .

4 . phenomenon:现象，通常比较抽象的现象，社会，自然，人际。。。
this will be a new phenomenon among men .