辐射源

例句：

1. 1. The scientist used a radiation source to study the effects of radiation on living organisms.
   科学家使用一个辐射源来研究辐射对活体生物的影响。
2. 2. The radiation source was responsible for the damage caused by the nuclear accident.
   辐射源是核事故造成的损害的原因。
3. 3. The radiation source was designed to minimize exposure to harmful radiation.
   辐射源被设计成尽量减少暴露于有害辐射。