She is just a child.

她只不过是个孩子。

《新英汉大辞典》

A foster mother is a mother who takes someone else's child into her family and cares for the child for a period of time just as what she would do to her own child.

养母是指把别人的孩子带到自己家里，像照顾自己的孩子一样照顾他一段时间的母亲。

youdao

She has asked the adoption official if she could take care of a child who is still looking for his parents, just to give him the warmth of a home for now.

她已经问了负责领养孤儿的官员，是否能帮忙照顾一位还在寻找自己父母的孩子，至少在这个时候给孩子一些温暖。

youdao

In Joplin, the schools are open again, though just about every child is in a different location than he or she was before the tornado.

FORBES: High School Football Helps Tornado-Ravaged Joplin Cope With Its New Normal