激發注射 jī fā zhù shè

DEFINITIONS

  1. booster shot
  2. booster injection

CHARACTERS

激 jī
HSK 4
arouse, excite, incite; quickly
發 fā issue, dispatch, send out, emit
注 zhù
HSK 3
concentrate, focus, direct
射 shè
HSK 5
shoot, eject, issue forth, emit