有放射性危险吗？
Radiation risk must be put into context.
核辐射的威胁必须放到一个有比较的背景下来衡量。
Exposure to radiation can increase the risk of cancer.
暴露在辐射下会增加患癌症的风险。
But there were problems beyond the risk of radiation poisoning to the patient.
但除了病人可能会受到辐射的风险外还有些问题。
And radiation for some cancers can increase the risk of other cancers later.
另外对一些癌症的放射疗法也会增加日后患其他癌症的风险。
The risk from exposure to small amounts of radiation is very small.
暴露于小剂量辐射下的风险非常小。
The risk from exposure to small amounts of radiation is very small.
暴露于小剂量辐射下的风险非常小。
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