| 释义 |
phon AHD[fŏn] D.J.[fɒn]K.K.[fɑn]n.（名词）- A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.方（响度级的单位）：一种表现声音的单位，在数量的上等于把1000赫兹声音作测星音时的分贝强度
- German 德语
- from Greek phōnē [sound] * see phone 1源自 希腊语 phōnē [声音] * 参见 phone1
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