鸟鸣,鸟鸣,niaoming,鸟鸣,niaoming,[拼音]:niaoming[外文]:calls and songs of birds绝大多数鸟类能发出各种的音调和节奏的鸣叫。鸵鸟、兀鹫的鸣管很简单;鹑鸡具有完整的鸣管,但缺乏振动管膜的鸣肌,所以还不能调节鸣声;亚鸣禽有2~3对鸣肌,鸣禽有4~5对鸣肌,使鸣管中的半月形鸣膜回旋振动,发...