作者：张明月secondlanguageacquisitionagecriticalperiodhypothesis
摘要：Second language acquisition is a new field of linguistic research. In the sociology, physiology, psychology,linguistics and other aspects of the research, the younger the child is, the better the effect of second language acquisition they can get. Further exploration of the age factor in second language acquisition is conducive to educators to place importance on the second language teaching.
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