短語詞組短語differentiated vocalization 變異的發(fā)音involuntary vocalization 不隨意發(fā)聲Copulatory vocalization 求偶叫聲prespeech vocalization 說話前的發(fā)聲Vocalization timing 鳴叫時(shí)間特征kun vocalization 昆腔 返回 vocalization