strangeness  
noun [ U ] uk/ˈstreɪndʒ.nəs/ us/ˈstreɪndʒ.nəs/
  (UNUSUAL)     
  不寻常;奇怪;不可思议
the quality of being unusual, unexpected, or difficult to understand
   (NOT FAMILIAR)      
 陌生
the quality of not being familiar
  She was struck by the strangeness of her surroundings. 陌生的环境令她十分吃惊。