radiochemist

例句：

1. 1. He is a radiochemist who specializes in the study of radioactive materials.
   他是一位专门研究放射性物质的放射化学家。
2. 2.The radiochemist was responsible for analyzing the samples collected from the accident site.
   这位放射化学家负责分析从事故现场收集的样本。
3. 3.Radiochemists play a crucial role in the development of new drugs and medical technologies.
   放射化学家在开发新药物和医疗技术中起着至关重要的作用。