hydra ['haɪdrə]

例句:

• His only opponent is a hapless, hydra-headed House.
  来自WSJ
• They are the hydra assailants which return with every hour.
  来自M. Robinson
• We may be facing a hydra that defies any easy solution.
  我们也许正面临一个无法轻易解决的难题.
  
• Week of Hydra: Double growth for Hydra and Chao Hydras.
  九头蛇周: 九头蛇产量加倍.
  
• Mixed with moisturizing ingredients to maintain skin Hydra silk slip.
  混合有保湿成分,维持肌肤水润丝滑.
  
• But that's like cutting the head off the hydra.
  来自WSJ