adop·tive /əˈdɑptɪv/
  (a.)收養關係的,採用的
  A·dopt·ive a.  Pertaining to adoption; made or acquired by adoption; fitted to adopt; as, an adoptive father, an child; an adoptive language.  -- A*dopt*ive*ly, adv.
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  adoptive
       adj 1: of parents and children; related by adoption; "adoptive
              parents" [ant: biological]
       2: acquired as your own by free choice; "my adopted state"; "an
          adoptive country" [syn: adopted] [ant: native]