摘要：There is perhaps nothing more remarkable than the emergence of language in children. Have you ever marveled at how a child can go fr om saying just a few words to suddenly producing full sentences in just a short matter of time? Researchers have found that language development begins before a child is even born, as a fetus is able to identify the speech and sound patterns of the mother's voice. By the age of four months, infants are able to discriminate sounds and even read lips.
