in.fra.sound
infrasound的音标和读音:
DJ音标发音: [ˈinfrəˌsaund]
KK音标发音: [ˈɪnfrəˌsaʊnd]
infrasound的词性:
n.(名词)
1. A wave phenomenon sharing the physical nature of sound but with a range of frequencies below that of human hearing.
次声:一种波现象,它有声音的物理特性和频率又在人耳的听力范围之内