sightings

例句:

• There has been a surge of UFO sightings in America.
  美国不明飞行物目击事件激增。
  
• Now you're backpedaling on the relevance of sightings.
  来自SA
• The National Weather Service has reported several tornado sightings in Illinois.
  美国国家气象局报道说在伊利诺伊州出现了几次龙卷风。
  
• The police are now following up a number of reported sightings of the missing woman's car.
  有多项报告说看见失踪妇人的汽车,警方正在进行调查.
  
• The Crown position is just to dismiss these sightings.
  来自THETIMES
• Not of very good description of UFO sightings.
  来自SA