Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
over-activate – v. make to active especially in a way that produces a bad result
deactivate – v. to make (something) no longer active or effective
activate – v. to make (as molecules) reactive or more reactive
disarm – v. to make harmless
psychiatric – n. a branch of medicine that deals with mental or emotional disorders
burden – n. something oppressive or worrisome
