penumbra [pɪˈnʌmbrə]

例句:

• The First Amendment has a penumbra where privacy is protected from governmental intrusion.
  第一修正案在个人隐私不受政府侵犯方面较为模糊.
  
• This includes the continuous survey of umbra and penumbra of the sunspot.
  这包括对太阳黑子本影和半影持续的观测.
  
• A penumbra of doubt surrounds the incident.
  疑惑的阴影笼罩着该事件((真相不明)).
  
• The vast penumbra of semi-dependent artisans and outworkers.
  来自E. J. Hobsbawm
• Almost all chronic illness is surrounded by a penumbra of gloomy imaginings.
  来自P. Medawar
• Therefore accurately identifying the penumbra is really the Holy Grail in stroke.
  来自BBC