supersonicKK [ˏsupɚˋsɑnɪk] /ˌsupɚˈsɑnɪk/發音形容詞1超音速的The new fighter jet can reach supersonic speeds within seconds.這款新型戰鬥機能在幾秒內達到超音速。2超音波的物理The device emits supersonic waves that humans cannot hear.這個裝置會發出人耳聽不見的超音波。