"Many factors contributed to the decline", said Patrick McIntyre, an ecologist who was the lead author of the study.
该研究的领头作者、生态学家帕特里克·麦克伦泰尔表示:“许多因素导致了这种下降。”
"It's well established that the mother's language does have an impact," said Nadya Pancsofar, the lead author of the study.
研究报告的主要撰写人纳迪亚·潘索法说:“母亲的语言的确会对孩子的成长产生影响,这一点已得到充分证实。”
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