婴儿期言语知觉研究表明婴儿最初（1~4个月）可以分辨几乎所有的语音范畴对比；

Researches about speech perception in infancy indicate 1-4-month-old infants can discriminate most phonetic category contrast, including native category contrasts and nonnative category contrasts.

youdao

婴儿期言语知觉研究表明婴儿最初（1~4个月）可以分辨几乎所有的语音范畴对比；

Researches about speech perception in infancy indicate 1-4-month-old infants can discriminate most phonetic category contrast, including native category contrasts and nonnative category contrasts.

youdao