In humans, babbling is thought to help infants train the muscles of their vocal tract for adult speech and to help them practice combining syllables into specific sounds.
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释义
对于人类来说,牙牙学语被认为可以帮助婴儿锻练口腔肌肉,并且可以帮助他们锻炼将音节变成特定的声音。
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