sub.son.ic

subsonic的音标和读音：
DJ音标发音： [sʌbˈsɔnik]
KK音标发音： [sʌbˈsɑnɪk]

subsonic的词性：
adj.（形容词）

1. Of less than audible frequency.
亚声的：小于可听见之声波频率的

2. Having a speed less than that of sound in a designated medium.
亚声速的：在一特定媒质中具有小于声速的速度的