词语亚声速
解释infrasound
infrasound〔名词〕次声详细»
infrasound〔名词〕亚声速,次声速,不可听音详细»
infrasound〔名词〕亚声速,次声速,次声详细»
infrasound〔名词〕次声的详细»
亚声速subsonic velocity详细»
亚声速〔名词〕subsonic speed详细»