| 词汇 | decibel |
| 释义 | decibelMeasurement dec·i·bel /ˈdesəbel, -bəl/ noun [countableC] (written abbreviation dB) TMa unit for measuring the loudness of sound 分贝〔声音强度单位〕 noise levels exceeding 85 decibels 超过85分贝的噪声强度 Examples from the Corpus decibel• About 15 percent were listening at levels of 110-115 decibels.• NoiseBuster reduces up to 15 decibels in that frequency bandwidth.• To give you an idea what that means, 80 decibels is generated by a typical alarm clock.• Noise levels in factories must not exceed 85 decibels.• At 95 decibels, about the sound level of a lawn mower, workers are allowed four hours' exposure.• Any bar or disco which exceeds its permitted decibel limit can be shut down on the spot for the night by police.• Twenty-five dollars was considerably more than he expected, they must have been charging by the decibel.• Tonight's contribution is awesome in the decibels of that noise.• The acoustics of an empty garage or any interior location intensifies the decibels to an unbearable level. (1900-2000) deci- + bel unit of sound power ((20-21 centuries)), from Alexander Graham Bell (1847-1922), US inventor |
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