chirp [tʃɜ:rp]

例句:

• Birds had begun to chirp and twitter among the trees.
  鸟儿开始在树丛中啁啾鸣啭.
  
• The birds chirp merrily at the top of tree.
  鸟儿在枝头欢快地啾啾鸣唱.
  
• Now it is clearing up, and a sparrow is beginning to chirp.
  现在天就要晴了, 一只麻雀已开始喳喳地叫.
  
• Twitter has not said whether it will hold a Chirp event this year.
  来自CNN
• This thing can chirp when you put it near something that emits radiation.
  来自MSN
• Pandas 'chirp' to get pregnant Female giant pandas make chirping sounds to advertise their fertility to males, a study finds.
  来自BBC