Wave motion is the most universal physical phenomenon, we discover the wave motion all around us. Mechanical waves—acoustic wave, water wave Electromagnetic waves—radio, light wave Matter waves—electron wave
All around us: wheels, skaters, ballet, gymnasts, helicopter, rotors, mobile engines, CD disks, … Atomic world: electrons— “spin”, “orbit”. Universe: planets spin and orbiting the sun, galaxies spin, …
integrate [ 5inti^reit ]使成整体(to make into a whole or make part of a whole) [搭配用法] integrate(building, river, college) with (setting, canal system, university) =make sth. An essential part of sth.; cause sth. To form a whole (with sth)