radiation
🇺🇸
/ˌreɪdiˈeɪʃn/
🇬🇧
/ˌreɪdiˈeɪʃn/
harmful rays from radioactive materials
Too much radiation can cause serious health problems.
放射線を過剰に浴びると、深刻な健康問題を引き起こす可能性があります。
energy that travels in waves, like heat or light
The sun's radiation provides warmth and light to Earth.
太陽の放射は地球に温かさと光をもたらします。
medical treatment using radiation to kill cancer cells
Radiation therapy is often used to treat cancer.
放射線療法はがんの治療によく用いられます。