| 单词 | 紫外线 |
| 释义 | 〔ultraviolet〕Of or relating to the range of invisible radiation wavelengths from about 4 nanometers, on the border of the x-ray region, to about 380 nanometers, just beyond the violet in the visible spectrum.紫外光的，紫外线的：刚刚超过可见紫光并在X射线区域边上，从大约4毫微米到380毫微米之间的不可视辐射波长的或与之有关的〔ultraviolet〕Ultraviolet light or the ultraviolet part of the spectrum.紫外光，紫外线的：紫外光或光谱的紫外线部分〔fluorite〕A mineral, essentially CaF2, that is often fluorescent in ultraviolet light and occurs in light green, blue, yellow, brown, and colorless forms. Also called fluor ,fluorspar 荧石：一种在紫外线下常发荧光的矿物，主要元素为CaF2，呈淡绿、蓝、黄、棕色和无色 也作 fluor,fluorspar〔light〕Electromagnetic radiation that has a wavelength in the range from about 4,000 (violet) to about 7,700 (red) angstroms and may be perceived by the normal unaided human eye.光，可见光：波长在4,000埃（紫外线）或7,700埃（红外线）之间的电磁辐射，能被人的普通肉眼看见〔ozone〕A blue gaseous allotrope of oxygen, O3, formed naturally from diatomic oxygen by electric discharge or exposure to ultraviolet radiation. It is an unstable, powerfully bleaching, poisonous oxidizing agent with a pungent, irritating odor, used to deodorize air, purify water, treat industrial wastes and as a bleach. 臭氧：一种气态氧气的同素异形体，O3在紫外线辐射下通过电子放射或暴晒从双原子氧气自然形成。它是一种不稳定的具有强漂白性的，有毒的氧化剂，有臭的刺激性的气味，用来除去空气的异味，净化水，处理工业废物和作为漂白剂 〔ergosterol〕A crystalline sterol, C28H 43OH, synthesized by yeast from sugars or derived from ergot and converted to vitamin D 2 when exposed to ultraviolet radiation. 麦角甾醇：结晶甾醇，C28H 43OH，由糖中的酵母合成或由麦角提炼而成，当受紫外线照射时可转化成维生素D 2 〔mutagen〕An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.诱变剂：有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素〔phototherapy〕The treatment of a disorder, especially of the skin, by exposure to light, including ultraviolet and infrared radiation.光线疗法，光照疗法：通过暴露在光下对疾病的治疗方法，尤指皮肤病，包括紫外线和红外线治疗〔photoaging〕The process by which skin is changed or damaged as a result of exposure to ultraviolet radiation in sunlight and other sources.日照老化，光致老化：皮肤因为暴露在太阳或其它光源的紫外线辐射下而受到改变或损害的过程〔sunscreen〕A preparation, often in the form of a cream or lotion, used to protect the skin from the damaging ultraviolet rays of the sun.遮光剂：通常为膏状或油状的一种制剂，用以保护皮肤免受阳光紫外线的照射〔photodynamic〕Enhancing the effects of or inducing a toxic reaction to light, especially to ultraviolet light.光中毒的：加强光的有毒反应影响的，或引起光的有毒反应的，尤指紫外线的光线〔EPROM〕A programmable read-only memory that can be erased by exposure to ultraviolet light and then reprogrammed.可擦写编程的只读存储器：可编程只读存储器，可经紫外线照射后去掉原程序后再编程〔photoactive〕Capable of responding to sunlight or ultraviolet radiation by chemical reaction.能经化学反应感光的：能通过化学反应对阳光或紫外线辐射反应的 |
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