柯林斯詞典radiotherapy /?re?d????θ?r?p?/ 1. N-UNCOUNT Radiotherapy is the treatment of diseases such as cancer by using radiation. 放射治療 返回 radiotherapy劍橋詞典the use of controlled amounts of radiation (= a form of energy ) aimed at a particular part of the body , to treat disease 放射治療 返回 radiotherapy