1. She would play a birdcall and see which one of us could identify it first. 她先播放鸟儿的叫声，然后看我们两人谁先将这种叫声辨别出来。
2. Now, small De Hua already became Dadehua, there also is the girlfriend of an intimate in the United States, birdcall fawn on. 今朝，小德华已成为大德华了，在美国也有一位知心的女朋友，叫子媚。
英英解释
n.
1. the characteristic sound produced by a bird
2. a device for imitating a birdcall
网络释义
birdcall 单边带长途通讯设备;
鸟叫声;
叫子;
学鸟叫;
birdcall tweedle 鸟叫声;
Improved Spectral Representation for Birdcall Based on Fractional Fourier Transform 尹辉 谢湘 匡镜明;
