Researchers do not yet understand the precise roots of highway noise but suspect that tread grooves funnel air, thereby acting like tiny pipe organs, or that they vibrate at noise frequencies when they strike or peel away from pavement.是什么意思_Researchers do not yet understand the precise roots of highway noise but suspect that tread grooves funnel air, thereby acting like tiny pipe organs, or that they vibrate at noise frequencies when they strike or peel away from pavement.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句