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单词
infrasound
释义
in·fra·sound
AHD
[ĭnʹfrə-sound']
D.J.
[ˈɪnfrəˌsaʊnd]
K.K.
[ˈɪnfrəˌsaʊnd]
n.
(名词)
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
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更新时间:2026/9/26 9:39:55