roentgen dose X

例句：

1. 1. The radiologist measured the patient's radiation dose during the scan.
   放射学家在扫描期间测量了患者的辐射剂量。
2. 2. The radiation dose is too high for the patient to tolerate.
   辐射剂量对患者来说太高，无法忍受。
3. 3. The radiation dose was reduced by half to reduce the risk of cancer.
   为了减少癌症的风险，辐射剂量被减半。