radiographer
noun [ C ] uk/ˌreɪ.diˈɒɡ.rə.fər/ us/ˌreɪ.diˈɑː.ɡrə.fɚ/
（尤指利用X射线辐射工作的）射线照相摄影师，放射治疗师
a person who operates a machine that uses radiation, especially X-rays, to take pictures of the inside of people or things, or for the treatment of disease