Level 4 · word 5,142 of 20,000

radioactive

/ˌreɪdioʊˈæktɪv/ American
Picture: radioactive
  • adj. 放射性的
Definition
  • adj. giving off harmful radiation from the breakdown of atoms
Example
Scientists carefully handle radioactive material to avoid exposure.
科学家小心处理放射性物质以避免受到辐射。