就像婴儿咿呀学语一样，鸣鸟通过模仿它们的前辈学会发音。
Like babbling babies, songbirds learn to vocalize by mimicking their elders.
而早在婴儿咿呀学语之前，他们就已经开始学习自己母语的音调了。
But long before that first burble or coo, babies are learning the elements of language.
婴儿咿呀学语时发出的辅音字母就是他们在练习的过程，是他们摆好嘴巴和舌头形状发声的过程，也是他们听自己发音的过程。
The consonants in babble mean the baby is practicing, shaping different sounds by learning to maneuver the mouth and tongue, and listening to the results.
咿呀学语是人类婴儿学习说话的方式。
而且，还要等好几个月，婴儿们自发的咿呀学语才开始反映出他们在学习的不同语言的特征。
And yet, it will be many months before their own vocalizations (babbling) begin to reflect the characteristics of the different languages they are learning.
而且，还要等好几个月，婴儿们自发的咿呀学语才开始反映出他们在学习的不同语言的特征。
And yet, it will be many months before their own vocalizations (babbling) begin to reflect the characteristics of the different languages they are learning.
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