单词 | decibel |
释义 | decibeldecibel /ˈdɛsəˌbɛl, -bəl/ noun [countable] science, physics a unit of measurement for the loudness of sound: noise levels above 85 decibels [Origin: 1900–2000 deci- + bel unit of sound power (20–21 centuries), from Alexander Graham Bell (1847–1922), U.S. inventor] |
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