查词历史
热门单词
ultraviolet 
美音:['ʌltrə'vaıəlıt
]
英音:['ʌltrə'vaıəlıt
]
牛津简明英汉词典
adj.紫外线的,紫外的 n.紫外线辐射
难易程度:
词形变化:
词根
ultra-=beyond
详细用法
近义词, 同义词
相关词
ultraviolet
牛津现代英汉双解词典
/,ʌltrə'vaɪələt; ,ʌltrə`vaɪəlɪt/
adj [usu attrib通常作定语]
1 (physics 物) (of radiation) with a wavelengththat is just beyond the violet end of the visible spectrum （指辐射）紫外的
*ultraviolet rays, ie causing sun-tanning 紫外线.
2 of or using such radiation 紫外线的; 利用紫外线的
*an ultraviolet lamp 紫外线灯
* ultraviolet treatment, ie for skin diseases 紫外线疗法（用以治疗皮肤病）. Cf 参看 infra-red (infra).
adj [usu attrib通常作定语]
1 (physics 物) (of radiation) with a wavelengththat is just beyond the violet end of the visible spectrum （指辐射）紫外的
*ultraviolet rays, ie causing sun-tanning 紫外线.
2 of or using such radiation 紫外线的; 利用紫外线的
*an ultraviolet lamp 紫外线灯
* ultraviolet treatment, ie for skin diseases 紫外线疗法（用以治疗皮肤病）. Cf 参看 infra-red (infra).
ultraviolet
朗文当代英英词典(第4版)
adj
ultraviolet light cannot be seen by people, but is responsible for making your skin darker when you are in the sun
ultraviolet radiation/rays
ultraviolet radiation from the sun
ultraviolet light cannot be seen by people, but is responsible for making your skin darker when you are in the sun
ultraviolet radiation/rays
ultraviolet radiation from the sun
