Vocab Bloom Hub

radioactive dating

/ˌreɪdiəʊˈæktɪv ˈdeɪtɪŋ/

翻译: 一种通过测量样本中放射性同位素的衰变速率来确定岩石、化石等材料年龄的科学方法。

1 个条目

phrase

/ˌreɪdiəʊˈæktɪv ˈdeɪtɪŋ/C1formalscientific
  • zh一种通过测量样本中放射性同位素的衰变速率来确定岩石、化石等材料年龄的科学方法。

A scientific method used to determine the age of materials, such as rocks or fossils, by measuring the decay rate of radioactive isotopes present in the sample.

  1. Radiometric dating methodC1formal

    A scientific technique used to determine the age of materials, such as rocks or fossils, by measuring the decay of radioactive isotopes.

    zh放射性测年

    • Radioactive dating of the rock sample showed it was over 2 billion years old.
    • Scientists used radioactive dating to determine the age of the ancient fossil.
    • Carbon-14 is a common isotope used in radioactive dating for organic materials.