radiation
🇬🇧/ˌreɪdiˈeɪʃn/ 🇺🇸/ˌreɪdiˈeɪʃ(ə)n/📚 3679 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。
radi(光线) + ation(名词后缀) → 射出光线 → 放射； 辐射
单词造句: