radiation
🇺🇸
/ˌreɪdiˈeɪʃn/
🇬🇧
/ˌreɪdiˈeɪʃn/
harmful rays from radioactive materials
Too much radiation can cause serious health problems.
過多的輻射會導致嚴重的健康問題。
energy that travels in waves, like heat or light
The sun's radiation provides warmth and light to Earth.
太陽的輻射為地球提供溫暖和光明。
medical treatment using radiation to kill cancer cells
Radiation therapy is often used to treat cancer.
放射療法常用於治療癌症。