| 单词 | db |
| 释义 | Db nnoun.substancea transuranic element Synset:Db atomic number 105 dubnium element 105 hahnium Hypernyms:chemical element element Inherited Hypernyms:dubniumchemical elementsubstancematterphysical entityentity Inherited Hypernyms:dubniumchemical elementsubstancepartrelationabstractionentity nnoun.quantitya logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity Synset:dB decibel Hypernyms:sound unit Inherited Hypernyms:decibelsound unitunit of measurementdefinite quantitymeasureabstractionentity |
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