cut-off radiation

例句：

1. 1. Theradiation from the nuclear reactor is causinga lot of concern among the scientists.
   核反应堆产生的辐射让科学家们非常担忧。
2. 2. Theradiation levels in the area are dangerouslyhigh, and it's important tostay away from it.
   该地区的辐射水平非常高，远离它非常重要。
3. 3. Radiationtherapy is used to treatcancer patients who have not respondedwell to conventional treatments.
   放射治疗用于治疗对常规治疗反应不佳的癌症患者。