wingspan [ˈwɪŋˌspæn]

例句:

• It was a pterosaur of gigantic proportions, standing over five metres tall with a wingspan of at least ten metres.
  来自BBC
• a bird with a two-foot wingspan
  翼幅为两英尺的鸟
  
• The bird has a 1 - metre wingspan.
  这只鸟的翼幅为1米.
  
• The finished design was thirty meters long with a wide wingspan.
  完成后的设计30米长,有一个巨大的翼展.
  
• Darrehsari's wingspan is more than eight feet.
  来自NEWYORKER
• They are the smallest of the bats but have quite a large wingspan - more than six inches.
  来自BBC