不干胶

不乾膠
bùgānjiāo

pressure-sensitive adhesive; post-it (note)

Wiktionary

Entry Composition

=1 不干 bùgān to have nothing to do with
=1 不干 bùgàn
  1. incompetent
  2. to not accept; to reject
=1 不干 bùgān not becoming dry or solid
2 胶 jiāo
  1. to glue
  2. glue
  3. gum
  4. rubber