成體

成体
chéngtǐ
  1. adult
  2. fully formed
  3. developed

CEDICT

  1. (biology) adult (fully developed organism)
  2. adult (fully developed organism)

Wiktionary

Entry Composition

1 成 chéng
  1. to succeed
  2. to finish
  3. to complete
  4. to accomplish
  5. to become
  6. to turn into
  7. to be all right
  8. OK!
  9. one tenth
2 體 tǐ
  1. body
  2. form
  3. style
  4. system
  5. substance
  6. to experience
  7. aspect (linguistics)

Related entries

大人 dàren
  1. adult
  2. grownup
  3. title of respect toward superiors
你现在是大人了。

You are now an adult.

Source: Tatoeba

成年者 chéngniánzhě adult