ra·di·o·car·bon
noun/ˌreɪdiəʊˈkɑːbən/
/ˌreɪdiəʊˈkɑːrbən/
[uncountable] (specialist)- a radioactive form of carbon that is present in the materials of which living things are formed, used in carbon dating
放射性碳（碳的放射性同位素，用以测定物体的年代） - radiocarbon analysis
放射性碳分析
- radiocarbon analysis