| 单词 | selenium |
| 释义 | selenium noun[U] uk/səˈliː.ni.əm/us/səˈliː.ni.əm/(symbolSe)achemicalelementused inphotocellsandphotographicdevicesand alsonecessaryinsmallamountsin thebody 硒（一种化学元素，用于光电池和照相器材中，也是人体必需的微量元素）Chemical elements
selenium| American Dictionaryselenium noun[U] us/səˈli·ni·əm/chemistry achemicalelementthat is used inelectronicdevicesand is alsonecessaryinsmallamountsin thebody Examplesofseleniumselenium Seleniumis part of an enzyme that helps defend against free radicals. From theCambridge English Corpus Tests of various possibilities led to a focus on the effects ofselenium. From theCambridge English Corpus Earlier studies have also shown lower levels ofseleniumin blood plasma in patients with rheumatoid arthritis compared to healthy individuals. From theCambridge English Corpus In some cases, increased salinity or toxic materials (for example arsenic,selenium) from both natural and human sources have rendered the groundwater unusable even for agricultural purposes. From theCambridge English Corpus Twelve chapters examine environmental deficiency and toxicity, and cover: volcanic emissions; radon; arsenic; fluoride; water hardness;selenium; iodine, aerosols and soil-borne pathogens, with more general reviews. From theCambridge English Corpus According to these studies, the supply ofseleniumto domestic animals and the general population has declined. FromEuroparl Parallel Corpus - English For this reason, 10 grammes ofselenium, rather than just six, are now being added toseleniumfertilizers. FromEuroparl Parallel Corpus - English There is a knownseleniumdeficiency in the soils in this country. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 No action is recommended specifically to avoidseleniumdeficiency. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I should like very much to know what happens in the manufacture ofseleniumand what it is used for. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Seleniumis a substance listed here, and it also is very toxic, affecting particularly the lungs and trachea. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 We are all pleased to see that the various forms of arsenic trioxide have now been exempted and thatseleniumhas been taken out. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I now wish to ask questions about the three metallic substances, uranium, beryllium andselenium. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Seleniumis an essential trace element which is particularly important in protecting the body against oxidative damage of the cells. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 They have ranged from anthropological problems and problems concerning the relations between families or nations, to research on the toxicity ofselenium. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
| 随便看 |
|
英汉词典包含213609条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。