There are multiple definitions:

1. database(English)

   • DLL, LSDB, ODBC, TDB
   • Data exchange

2. double-blind(English)

   • Clinical trials
   • https://doi.org…/peds.2005-1188

3. double-bundle(English)

   • refers to anterior cruciate ligament reconstruction
   • ACL, ACLR, IKDC, SB, TT
   • Skeleton and bone (formation), Surgery
   • https://doi.org…hro.2016.03.008

4. Dragon's blood(English)

   • possesses medicinal values due to the presence of several phenolic compounds
   • DBE
   • Pharmacology / pharmaceutics
   • https://doi.org…1093/jrr/rru013

5. disruptive behavior(English)

   • DMDD, FLIS, K-SADS, MAPS
   • Behavior(al science), Misconduct
   • https://doi.org…aac.2020.04.015