波动 bōdòng HSK6 to fluctuate Origin Definitions Defs Strokes Stroke Words Sentences Sents bōdòng to fluctuate · to ripple 波 bō nounverb wave (water) a wave or ripple on the surface of water动 動 dòng verb to move To change position or status; to set something in motion or displace it; to touch; to alter or modify.bōdòng wave motion 波 bō noun wave (physics) (physics) the transmission of vibration through a medium, such as sound or electromagnetic waves动 動 dòng verb to move To change position or status; to set something in motion or displace it; to touch; to alter or modify.