单词	Btu
释义	Btu noun ˌbē-ˌtē-ˈyü  : british thermal unit Word History First Known Use 1882, in the meaning defined above Medical Definition Btu abbreviation British thermal unit
随便看	secondary accent secondary alcohol secondary axis secondary battery secondary body secondary bud secondary burial secondary cambium secondary capitulum secondary care secondary cell secondary circle secondary color secondary colors secondary cortex secondary covert secondary derivative secondary distribution secondary dormancy secondary electron secondary emission secondary enrichment secondary fermentation secondary group secondary growth

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