单词
ultraviolet
英 [?ltr?'va??l?t]
美[,?ltr?'va??l?t]
基本信息
- adj. 紫外的；紫外线的
- n. 紫外线辐射，紫外光
CET6TEM4IELTS考研TOEFL低频词畅通词汇
中文词源
ultraviolet 紫外线的
ultra-, 超过的，极其的，violet, 紫色的。
英文词源
- ultraviolet (adj.)
- "beyond the violet end of the visible spectrum," 1840, from ultra- + violet. Ultra-red (1870) was a former name for what now is called infra-red.
双语例句
- 1. The container is invisible until you shine an ultraviolet light on it.
- 那个柜子只有用紫外线照射才可以看见。
来自柯林斯例句
- 2. It's called ultraviolet rays.
- 它被叫做紫外线.
来自《简明英汉词典》
- 3. The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.
- 环绕地球的臭氧层保护着我们的皮肤免受紫外线的伤害.
来自《简明英汉词典》
- 4. Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.
- 臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。
来自辞典例句
- 5. The sun's ultraviolet rays are responsible for both tanning and burning.
- 阳光中的紫外线是皮肤晒黑和灼伤的根源。
来自辞典例句
ultraviolet相关单词