The researchers also observed the interaction between children and their parents -- usually the mother -- as they did a task together or as the parent read a book to the child.
当孩子和父母（通常是母亲）共同参与同一件事情或家长读书给孩子听时，研究者同样观察了孩子与父母（通常是母亲）之间的互动
The researchers also observed the interaction between children and their parents -- usually the mother -- as they did a task together or as the parent read a book to the child.
当孩子和父母（通常是母亲）共同参与同一件事情或家长读书给孩子听时，研究者同样观察了孩子与父母（通常是母亲）之间的互动
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