radiation
🇬🇧/ˌreɪdiˈeɪʃn/ 🇺🇸/ˌreɪdiˈeɪʃ(ə)n/📚 3686 32 2四级六级考研托福高考Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death. 辐射物
noun [专属名词]辐射,放射线;辐射的热(或能量等);放射疗法;辐射形进化,发散状分化
Ozone is the earth's barrier against ultra-violet radiation.
臭氧是地球防止紫外线辐射的屏障。
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