卡尔说：“你若注意处在放松的环境里的父母，就会发现他们的做法正确，母性语言会脱口而出。”
"When you watch parents in relaxed Settings, they do the right things," Kuhl says. "Motherese falls off their tongues."
卡尔说：“你若注意处在放松的环境里的父母，就会发现他们的做法正确，母性语言会脱口而出。”
"When you watch parents in relaxed Settings, they do the right things," Kuhl says. "Motherese falls off their tongues."
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