自顶向下

自頂向下
zìdǐngxiàngxià
top-down

CEDICT

Entry Composition

1 自 zì
  1. (bound form) self; oneself
  2. from; since
  3. naturally; as a matter of course
2 顶 dǐng
  1. apex
  2. crown of the head
  3. top
  4. roof
  5. most
  6. to carry on the head
  7. to push to the top
  8. to go against
  9. to replace
  10. to substitute
  11. to be subjected to (an aerial bombing, hailstorm etc)
  12. (slang) to "bump" a forum thread to raise its profile
  13. classifier for headwear, hats, veils etc
3 向下 xiàngxià
  1. down
  2. downward