英语单词短语词组“penumbra”的中文翻译、释义及用法解析-英汉词典

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单词	penumbra
释义	penumbra noun[CorU] physicsspecialized uk /pɪˈnʌm.brə/us /pɪˈnʌm.brə/ apartof ashadowin which only some of thelightisblocked, usedespeciallyabout ashadowmade during aneclipse: In alunareclipse, theoutershadowor penumbra is azonewhereEarthblocksaportionof the sun'srays.月食发生时，外侧的暗影或称半影是地球把部分太阳光挡住了的区域。 IgorKovalchuk/iStock/Getty Images Plus/GettyImages SMART Vocabulary: related words and phrases Darkness & becoming dark blackness darken darkened darkly darkness deepen dim dimly dimness dingily draw matt moonless shaded shadow shadowy sombreness subdued twilight umbra See more results » You can also find related words, phrases, and synonyms in the topics: Astronomy (Definition ofpenumbrafrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press) penumbra noun[CorU] physicsspecialized uk /pɪˈnʌm.brə/us /pɪˈnʌm.brə/ thepartof ashadow,especiallyone made by somethingblockingthesun, in which onlypartof thelightisblocked （日食、月食等的）半影 In alunareclipse, theoutershadowor penumbra is azonewhereEarthblocksaportionof the sun'srays.月食发生时，外侧的暗影或称半影是地球把部分太阳光挡住了的区域。 Examplesofpenumbra penumbra The moon was completely within thepenumbrafor half an hour and remained partially in eclipse for nearly two hours. From theCambridge English Corpus This is sometimes referred to as the 'ischaemicpenumbra'. From theCambridge English Corpus A substantialpenumbrahad abandoned church membership or retained only the most tenuous of links. From theCambridge English Corpus The construction of the shield is described and the results of transmission andpenumbrameasurements are given. From theCambridge English Corpus Thus, the prime goal of neuroprotection has been to salvage the ischaemicpenumbraand thereby limit the extent of damage. From theCambridge English Corpus The width of thepenumbraand the distance of the edge of the optical field from the 50% isodose level were measured at a number of points. From theCambridge English Corpus These pathological processes may increase the area of cellular damage but the goal of treatment is to preserve potentially viable cells within the so-called ischaemicpenumbra. From theCambridge English Corpus Following a stroke there is a region surrounding the core of the insult known as thepenumbrazone in which the tissue can survive for a period of time. From theCambridge English Corpus There is an inherent inaccuracy in this method in that thepenumbraimpedes the accuracy to which the beam edge and subsequent centre of the field can be determined. From theCambridge English Corpus Dworkin's critique, in its new and reduced guise, reinstates the core/penumbradistinction that has always been to the liking of positivists. From theCambridge English Corpus These borderline cases comprise a "penumbraof uncertainty" with respect to the applicability of a general term; it is this penumbra of uncertainty that forms the term's open texture. From theCambridge English Corpus Thepenumbraof patronage is even more dangerous than the patronage itself. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I do not want to see any suchpenumbraeffect for 16 and 17-year-olds. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Indeed, the district rate covers only thepenumbraof services. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 We have witnessed a display of openness conducted in a strangepenumbraof secrecy. 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. #https://dictionary.cambridge.org//dictionary/english/penumbra##
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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。

　

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更新时间：2025/2/10 21:11:23