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单词 bel
释义

bel

noun

ˈbel How to pronounce bel (audio)
: ten decibels

Word History

Etymology

Alexander Graham Bell

First Known Use

1929, in the meaning defined above

Medical Definition

bel

noun

ˈbel How to pronounce bel (audio)
: ten decibels
abbreviation b
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更新时间:2024/11/14 6:40:39