资料来源 : pyDict

超声波的

资料来源 : WordNet®

supersonic
     adj 1: (of speed) greater than the speed of sound in a given medium
            (especially air); "a supersonic bomber flies so fast
            that it must release its bombs while the target is
            still over the horizon" [ant: {sonic}, {subsonic}]
     2: having frequencies above those of audible sound [syn: {ultrasonic}]