backwardness [ˈbækwərdnəs]

例句:

• I was astonished at the backwardness of our country at the time.
  我们国家当时的落后程度让我感到震惊。
  
• We are struggling with backwardness.
  我们在和落后现象做斗争.
  
• Those who were in various degree of backwardness lived inland.
  那些在不同程度上较为落后的人住在内地.
  
• This is a manifestation of social backwardness.
  来自NEWYORKER
• Until now, China's trains had always been a symbol of backwardness.
  来自NEWYORKER
• Having established his theoretical framework, Gaidar turns to the root causes of Russia's backwardness.
  来自WSJ