| 释义 |
ul·tra·vi·o·let 英ˌʌltrəˈvaɪəlɪt美ˌʌltrəˈvaɪəlɪtAHDŭl'trə-vīʹə-lĭt ★☆☆☆☆高六研ＩＳＴ６四八ＧCOCA¹⁴⁰⁵³BNC¹⁷⁶⁰⁶iWeb¹²¹³⁸Economist¹⁷⁹⁰⁵⁺¹⁰
基本双解英英词源搭配记法近义反义句型例句例句
adj.紫外线的¹¹n.紫外线⁸⁹复数ultraviolets
光学物理科学
adj.形容词
A 光紫外的of light beyond the purple end of the spectrum and unable to be seen by human beings
Noun:
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Adjective:
having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end;ultraviolet radiation an ultraviolet lamp ultra-, 超过的，极其的，violet, 紫色的。ultraviolet region紫外区,紫外线区域…ultraviolet spectrometer紫外线光谱仪,紫外分…ultraviolet microscope紫外光显微镜,紫外显…ultraviolet recorder紫外线记录仪…ultraviolet monitor紫外监测器ultraviolet laser紫外线激光器…ultraviolet detector紫外光检测器…ultraviolet light紫外线ultraviolet rays紫外线ultraviolet lamp紫外线灯ultraviolet spectrometry紫外分光术,紫外分光…ultraviolet band紫外区,紫外波段…ultraviolet irradiation紫外线照射ultraviolet photography紫外线照相ultraviolet astronomy紫外天文学ultraviolet filter紫外线滤光器…ultraviolet spectroscopy紫外光谱学,紫外线光…ultraviolet absorption紫外线吸收ultraviolet absorber紫外线吸收体…ultraviolet radiation紫外线
钱博士ultra=alter，较远的+violet紫色→比紫色在光谱中的位置更远的⇒紫外的，紫外线
词根alter-较远的，引申为另一个，其他的派生自拉丁词根al-彼处，另一个，后面加了一个比较级后缀-ter。相当于日耳曼单词other另一个，其他的。非常记忆ultra超出〖词缀〗+violet紫罗兰〖熟词〗⇒超量的紫外线的辐射能杀死紫罗兰ultra=alter，较远的+violet紫色→比紫色在光谱中的位置更远的⇒紫外的，紫外线。词根记忆ultra超出，…以外+violet紫罗兰色→紫外线的联想记忆ultra超…的＋violet紫罗兰，紫色→紫外线的词根记忆ultra+violet紫色的近义词 X-rayX射线infrared红外线的UV紫外线=ultravi…electromagnetic电磁的ultraviolet light紫外线ultraviolet radiation紫外线
用作形容词(adj.
用作定语
～+ n.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。
形容词93%,名词7%
用作形容词The ozone layer shields the earth from the sun'sultravioletrays.臭氧层保护地球不受太阳〈紫外线的〉辐射。
A suncream provides adequate protection against harmfulultravioletrays.使用防晒霜可以保护皮肤不受〈紫外线的〉伤害。用作名词Ultraviolet rays can penetrate through clouds.紫外线可以穿透云层。
What are infrared andultravioletrays?什么是红外线和紫外线？ Extreme ultraviolet radiation from the plasma eruption was propelled into space but was not travelling in the direction of Earth where it could have disrupted telecommunications and satellites.
太阳风暴产生的极强紫外线辐射发送到太空，虽然没有朝着地球方向而来，却能扰乱地面通信和人造卫星运转。 yeeyan
In a trench dug by a University of South Florida Coastal Research Lab team, layers of oil- stained sand light up orange under ultraviolet light. Clean sand appears violet.
南佛罗里达大学海岸研究实验室的团队挖掘的一条地沟，沾了油污的沙子在紫外线下为橙色，而干净的沙子为紫色。 yeeyan
The Houston Metro system has successfully tested the Breathe Safe System, which uses Ultraviolet Germicidal Irradiation to kill up to 99 percent of certain types of bacteria.
休斯顿地铁系统已成功测试了呼吸安全系统，它使用紫外杀菌照射杀死某些类型的细菌，致死率高达99%。 yeeyan
The skin produces vitamin D when it is exposed to ultraviolet light. UV rays from the sun react with a substance in skin cells to produce vitamin D.
皮肤在紫外线的直射下会产生维他命 D，阳光中的紫外线会与人体表皮细胞中的物质反应然后产生维他命 D。 yeeyan
A dab of hydrogen peroxide and a flash of ultraviolet light serve as the final sterilizing gatekeepers before the water reenters potable supplies.
在这些水重新进入安全饮用的供水系统之前，作为最后的消毒系统是一小点过氧化氢和闪现紫外光线。 yeeyan |