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来源:雅诚德英语网
When the children were 2, researchers videotaped them at home in free-play sessions with both parents, 48 all of their speech.
当孩子两岁时,研究人员将他们与父母双方在家自由玩耍的情景录制下来,并记录他们所有的谈话。
When the children were 2, researchers videotaped them at home in free-play sessions with both parents, 48 all of their speech.
当孩子两岁时,研究人员将他们与父母双方在家自由玩耍的情景录制下来,并记录他们所有的谈话。