填补

填補
tiánbǔ
  1. to fill a gap
  2. to fill in a blank (on a form)
  3. to overcome a deficiency

CEDICT

Entry Composition

1 填 tián
  1. to fill or stuff
  2. (of a form etc) to fill in
2 补 bǔ
  1. to repair
  2. to patch
  3. to mend
  4. to make up for
  5. to fill (a vacancy)
  6. to supplement