3325英语网 英语单词
Sone的音标发音
Sone
英式发音：[sәun]
美式发音
(noun.) a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold.
录入:雷内
(noun.) a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold.
录入:雷内