adult /əˈdʌlt, ˈæˌdʌlt/
 成年人(a.)成年人的,已成熟的
 adult /əˈdəlt, ˈædˌəlt/ 形容詞
 成人,成人的,成體(動)
 A·dult a.  Having arrived at maturity, or to full size and strength; matured; as, an adult person or plant; an adult ape; an adult age.
 A·dult, n. A person, animal, or plant grown to full size and strength; one who has reached maturity.
 Note: ☞ In the common law, the term is applied to a person who has attained full age or legal majority; in the civil law, to males after the age of fourteen, and to females after twelve.
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 adult
      adj : (of animals) fully developed; "an adult animal"; "a grown
            woman" [syn: big, full-grown, fully grown, grown,
             grownup]
      n 1: a fully developed person from maturity onward [syn: grownup]
           [ant: juvenile]
      2: any mature animal