ultravioletKK [ˌʌltrəˈvaɪəlɪt] ｜ /ˌʌltrəˈvaɪəlɪt/
GEPT 中高級
C2noun
radiation in the part of the electromagnetic spectrum where wavelengths are shorter than visible light and longer than X-rays
It is important to wear a sunblock with a high SPF to protect your skin from the harmful effects of ultraviolet rays.
紫外線
C2adjective
relating to electromagnetic radiation having wavelengths shorter than those of visible light but longer than those of X-rays
Don’t forget to apply sunscreen to protect your skin from the harmful effects of ultraviolet radiation.
紫外線的；紫外輻射的