力學波 lìxuébō mechanical wave Definitions Defs Origin Strokes Stroke Words Sentences Sents 力学波 力學波 lìxuébō mechanical wave a wave that is an oscillation of matter and requires a medium to transfer energy through the energy
力学波 力學波 lìxuébō mechanical wave a wave that is an oscillation of matter and requires a medium to transfer energy through the energy
