Ultraviolet refers to electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays. It can also be used as an adjective meaning beyond violet in the spectrum, i.e., having a shorter wavelength.
Ultraviolet refers to electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays. It can also be used as an adjective meaning beyond violet in the spectrum, i.e., having a shorter wavelength.
| 英语单词 | ultraviolet |
|---|---|
| 英美音标 | 英 [ˌʌltrəˈvaɪələt] 美 [ˌʌltrəˈvaɪələt] |
| 中文释义 | adj. 紫外的；紫外线的 n. 紫外线辐射，紫外光 [ 复数 ultraviolets ] |
| 英语例句 | (1) Birds perceive the world differently tohumans, being able to see light in the ultraviolet range of the spectrum. (2) The body gets most of its vitamin D not from diet but from skin exposed to the ultraviolet B radiation in sunlight. (3) But it also says there is no evidence to support disinfecting toothbrushes in the microwave or with ultraviolet devices on the market. |
| 中文例句 | (1) 鸟类感知世界的方式和人类不同，他们能够在紫外线光谱范围内看见光线。 (2) 身体获取的大部分维他命D不是从饮食而是靠皮肤曝露在阳光中的紫外线B射线取得的。 (3) 但它也说，没有证据支持在微波炉或市面上销售的紫外线设备中对牙刷消毒。 |
| 星级 | ★★ |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Ultracritical speed 英 ʌltrə'krɪtɪkəl] 美 adj 过于批评的；吹毛求疵的 structure mill
Previous card: Ultra-right 英 ʌltrə'raɪt] 美 极右的 rest sleek nüvi 2x5-series
Up to card list: 英语词汇速记大全1俞敏洪 （第一部分前缀1210词）