单词	alpha track
释义	alpha track adjective : designed to measure and record radon levels by creating a graphic record of the alpha particles that are emitted as radon undergoes radioactive decay alpha track detectors Detection of radon in the home can be accomplished with charcoal canisters, ion detectors, and alpha track monitors available from most health departments or extension agents … Kathryn Hilgenkamp, Environmental Health: Ecological Perspectives, 2005 Word History First Known Use circa 1949, in the meaning defined above
随便看	lineage lineages lineal lineal measure lineal promotion lineal rank linealer linealest linealities lineality linealler lineallest lineallier linealliest lineally lineament lineamental lineaments linear mean something to (someone) mean something to someone mean spheroid mean square mean square deviation mean streak

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