ultraviolet
adj. /ˌʌltrəˈvaɪələt/ C1
紫外线的；紫外光的
Having light waves just beyond violet in the spectrum, invisible to humans.
仙境例句
The old Turtle taught that sunlight holds ultraviolet light, which nobody can see, not even a Gryphon.
老海龟教大家，阳光里有紫外线，谁也看不见，连狮鹫也看不见。