The seat structure allows it to bend forward when a child is thrown against it.
当一个孩子反方向抛出时座椅结构将会向前弯曲。
Notice that the element includes child elements that form a subtree structure under the element.
其中，元素还有自己的孩子，形成了 元素下的子树结构。
A tree is a hierarchical structure that defines a parent-child relationship.
树是一个定义了“父子”关系的层次结构。
The nested structure of the child elements combines to define the data for a contact.
互相嵌套的孩子元素共同定义了联系人的数据。
The first step: Observe the different potential structure of each child.
第一步：观测每个幼儿不同的潜能结构。
This approach combines some form of structure with the child leading the direction.
这种方法结合儿童主导方向的某种形式的结构。
This approach combines some form of structure with the child leading the direction.
这种方法结合儿童主导方向的某种形式的结构。
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