ultraviolet (adj) - of or using electromagnetic waves that are just shorter than those of violet light in the spectrum and that cannot be seen - เกี่ยวกับรังสีอัลตราไวโอเลต
ultraviolet (adj) - of or using electromagnetic waves that are just shorter than those of violet light in the spectrum and that cannot be seen - เกี่ยวกับรังสีอัลตราไวโอเลต