mainstays

例句:

• Fish and rice were the mainstays of the country's diet.
  鱼和米是该国的主要食品。
  
• Self - confidence and self - reliance are the mainstays of a strong character.
  自信 与自力是坚强品格的柱石.
  
• These were the mainstays of her life.
  这些就是她生活中主要寄托.
  
• Lewis identifies two mainstays of Muslim rage.
  来自NEWYORKER
• Centuries-old mainstays like wheat or copper could suffer a similar fate.
  来自WSJ
• Rabidly pubescent, we considered ourselves the mainstays of the home front.
  来自NEWYORKER