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单词 carbon-date
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈcar•bon-ˌdate,  v. [+ object], -dat•ed, -dat•ing. 
  1. Archaeology, Chemistry, Geologyto estimate the age of (something organic) by measuring how much radioactive carbon is in the object:carbon-dated the seeds to the time of Christ.
car•bon dat•ing, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2024
car•bon-date  (kärbən dāt′),USA pronunciation v.t., -dat•ed, -dat•ing. 
  1. Archaeology, Chemistry, Geologyto estimate the age of (an object of plant or animal origin) by radiocarbon dating.
  • 1965–70

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更新时间:2024/11/13 9:56:56