电磁振荡

electromagnetic oscillation

lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc

electromagnetic

magnetic / magnetism / porcelain

to shake / to flap / to vibrate / to resonate / to rise up with spirit / to rouse oneself

vibration / oscillation

variant of 蕩|荡[dang4]

variant of 燙|烫[tang4] / variant of 趟[tang4]

to wash / to squander / to sweep away / to move / to shake / dissolute / pond