crises [ˈkraɪsi:z]

例句:

• Economic crises recur periodically.
  经济危机周期性地发生.
  
• Great crises often call forth gifted leaders.
  危急存亡之际常能产生天才的领袖.
  
• People who are undernourished also lack reserves of energy when faced with physical or mental crises.
  营养不良的人在体力或脑力上出现紧急情况时还缺乏足够的能量储备。
  
• The nonlinearity also leads to cross-coupling of the crises.
  来自SA
• We have seen those crises all over the world.
  来自VOA
• Macmillan's second term was beset with crises.
  来自BBC