bel
noun /bel/
/bel/
(specialist)- a measurement of sound equal to 10 decibels
贝尔,贝(声音计量单位,等于 10 分贝) 词源1920s: from the name of A. G. Bell (1847-1922), who invented the telephone and the gramophone.
词汇 | bel |
释义 | belnoun /bel/ /bel/ (specialist)
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