鸟类的

• The wing of an airplane is analogy to the wing of a bird
  飞机翅膀跟鸟类的翅膀有相似处。
• He has been observing the behavior of birds for many years
  多年来他一直观察鸟类的行为。
• There are connections between vocalization and audition
  鸟类的听觉与发声有密切的关系。
• He likes the book on the birds of the world better
  他更喜欢那本论及世界上各种鸟类的书。
• The classification and evolution of trachea in gruidae birds
  鹤科鸟类的系统分类和气管进化
• He likes the book on the birds of the world very much
  他特别喜欢那本讲世界上各种鸟类的书。
• Professor wilson gave an interesting talk on birds
  威尔逊教授作了一次关于鸟类的演讲，很有趣。
• These proud pigeons are the model of birdhood
  他们是鸟类的楷模
• These proud pigeons are the model of birdhood
  他们是鸟类的楷模
• Identify birds in the backyard
  能在后院里识别出鸟类的名称？