birdie  
 noun [ C ] uk/ˈbɜː.di/ us/ˈbɝː.di/
  (BIRD)     
  child's word小鸟 
a small bird
   (GOLF)     
  (高尔夫球)小鸟击,小鸟球(比标准杆少一杆入穴)
in golf, an act of getting the ball into the hole in one shot (= hit) less than par (= the expected number) for that hole
   (NET GAME)     
 US (US also bird); (UK shuttlecock)羽毛球运动 
a small, light object with a rounded end to which real or artificial feathers are attached, that is hit over the net in the game of badminton
 birdie       
verb [ I or T ] uk/ˈbɜː.di/ us/ˈbɝː.di/
 (高尔夫球)小鸟击
(in golf) to get a birdie for a particular hole
  He birdied the fifth and the 18th and finished two strokes under par. 他的第5球和第18球入穴都是小鸟击,所以最终低于标准杆两杆。