sonic /'sonik; 'sanik/ adj relating to sound, soundwaves or the speed of sound: 聲音的; 音波的; 音速的： ~ bang/boom, noise made when an aircraft exceeds the speed of sound; 音爆 (飛機超過音速時所發(fā)的書聲); the ~ barrier, 令 sound barrier at sound1 (3). 音障。 csuperultra ~ .