secondary radiation的用法和樣例：
例句
- The reason is that charged particles and high-energy photons interact with the rocky shielding material, producing showers of secondary radiation within the meteorite.
原因在于帶電粒子與高能光子會(huì )與巖石遮蔽物質(zhì)交互作用，在隕石內部引發(fā)二次輻射的簇射。 - But pathological changes were not found in any parts of the body after a single sublethal dose of microwave radiation.
微波急性一次輻射未致死動(dòng)物的臟器未發(fā)現明顯的病理變化。
