Vocab Bloom Hub

ultraviolet radiation

/ˌʌltrəˈvaɪələt ˌreɪdiˈeɪʃən/

翻译: 波长比可见光短但比X射线长的电磁辐射,由太阳和人造光源发出,已知会引起晒伤并具有杀菌作用。

1 个条目

phrase

/ˌʌltrəˈvaɪələt ˌreɪdiˈeɪʃən/C1formalscientific
  • zh波长比可见光短但比X射线长的电磁辐射,由太阳和人造光源发出,已知会引起晒伤并具有杀菌作用。

A type of electromagnetic radiation with a wavelength shorter than visible light but longer than X-rays, emitted by the sun and artificial sources, known for causing sunburn and having germicidal properties.

  1. B2formal

    A type of electromagnetic radiation with a wavelength shorter than visible light but longer than X-rays, emitted by the sun and artificial sources.

    zh紫外线辐射

    • Ultraviolet radiation from the sun can cause sunburn.
    • Scientists study ultraviolet radiation to understand its effects on the atmosphere.
    • Sunscreen protects the skin from harmful ultraviolet radiation.