单词 | isotopic |
释义 | isotopic (once / 319441 pages) adj WORD FAMILY isotope: isotopes, isotopic USAGE EXAMPLESPresented with a sample of rainwater, he could, based on its isotopic composition, determine the temperature at which the precipitation had formed. The New Yorker(Oct 17, 2016) "Our analysis of methane’s isotopic composition clearly points to increased emissions from microbial sources, such as wetlands or agriculture." Reuters(Sep 27, 2016) U.S. military researchers then tested the remains using dental records, DNA and isotopic analysis. Washington Times(Sep 11, 2016) adj of or relating to or having the relation of an isotope |
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