open adoption
noun [ C ] mainly US uk/ˌəʊ.pən əˈdɒp.ʃən/ us/ˌoʊ.pən əˈdɑːp.ʃən/
开放式领养（孩子法律上跟养父母住在一起，仍可继续与亲生父母保持联系）
an arrangement by which children are legally adopted by people who are not their natural parents, but still continue to communicate with their natural parents