radiocarbon
🇺🇸
/ˌreɪdiəʊˈkɑːrbən/
🇬🇧
/ˌreɪdiəʊˈkɑːbən/
Radiocarbon is a type of carbon that has a radioactive property. It is found in all living things and is used to determine their age.
Scientists use radiocarbon dating to find out how old ancient artifacts are.
科学者たちは、放射性炭素年代測定法を使って古代遺物の年代を知る。