n.鸟叫声；学鸟叫；叫子；鸟叫声模仿器
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。
Aesthesia sets in every morning with birdcall and I follow my senses and the ritual of trying to use the least amount of time to deal with trivial but essential routines; 每天清晨被鸟叫醒，凭着直觉用最短的时间处理掉吃喝拉撒之类生活必须的琐事；
