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	proofless proofmark proofness proofread proofreader proofreaders proofreading proofreads proofroom proofrooms proofs proofs of concept proofy proopic proos proostraca proostracum prootic prootic bone prootics prooxidant prooxygen prooxygenic prop prop (up)

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