| 单词 | carbon dating |
| 释义 | carbon dating (once / 295483 pages) n WORD FAMILY carbon dating USAGE EXAMPLESThe next step in documenting and studying the pictographs will be carbon dating, to determine when the art was created, Rupp said. Los Angeles Times(Dec 22, 2016) Carbon dating revealed the remains, discovered at medieval Beckery Chapel, near Glastonbury, were from the 5th or early 6th Century AD. BBC(Dec 04, 2016) We know, thanks to carbon dating, that it was put together in the early fifteenth century. The New Yorker(Nov 30, 2016) n a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years Syn|Hyper carbon-14 dating, radiocarbon dating dating, geological dating use of chemical analysis to estimate the age of geological specimens |
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