inert  
adjective uk/ɪˈnɜːt/ us/ˌɪnˈɝːt/
  (NOT MOVING)         
  不动的;不能动的
not moving or not able to move
  The inert figure of a man could be seen lying in the front of the car. 可以看到一个男人躺在汽车前座上,一动也不动。 
  无生气的;无趣的
not energetic or interesting
  The narrative is inert and sloppy, as if the author had been writing half-asleep. 这个故事既没意思又无条理,好像作者是在半睡半醒中写的。 
   (CHEMICAL)      
 chemistry specialized惰性的,不活泼的 
Inert substances do not produce a chemical reaction when another substance is added.
  inert gases 惰性气体