英语单词词典

perissad美[pərɪsæd]英[pərɪsæd]adj.[化]n.；奇价原子(或元素)sp.奇价的......

perispore美[perɪˌspoʊr]英[perɪspɔː]n.[植]孢子周壁例句TR:tapetalresidues;E:exospore;P:perispore;G:globule.成熟孢子壁近极面的横切,其附近可见小球;Theresultsindicatethatthesporesareyellowish,monolet......

perisperm美[perɪˌspəm]英[perɪspɜːm]n.[植]外胚乳(亦泛指胚乳；包括内、外胚乳)英英释义Nounthenutritivetissueoutsidethesaccontainingtheembryoinsomeseeds例句Embryoplanospiral;perispermscant,glutinous.......

perishingly美[perɪʃɪŋlɪ]英[perɪʃɪŋlɪ]adv.厉害地；讨厌地......

perishing美[perɪʃɪŋ]英[perɪʃɪŋ]adj.严寒的；不耐烦的sp.动词perish的现在分词形式.近义词：cold，freezing，bitter，raw，chilly，nippy，arctic，frozen，shivering，英英释义动词perishpassfromphysicallifeandloseallbodilyat......

perisher美[perɪʃər]英[perɪʃə(r)]n.死减之物；做事卤莽的人；讨厌的人英英释义Nounbounder......

perishable美[perɪʃəbl]英[perɪʃəbl]adj.易腐烂的；会枯萎的；会死的sp.（复数）perishables:易腐烂的东西（尤指食物）.副词：perishably名词：perishability近义词：fresh，untreated，spoilable，imperishable，英英释义Nounfoodthatwi......

perish美[perɪʃ]英[perɪʃ]vi.毁灭；消失；腐烂vt.毁灭；使死亡过去式：perished过去分词：perished现在分词：perishing第三人称单数：perishes近义词：die，decease，succumb，expire，disappear，decay，vanish，passaway，departthislife，giveup......

periselene美[pərɪseliːn]英[pərɪseliːn]n.[天]近月点近义词：perilune，aposelene，英英释义Nounperiapsisinorbitaroundthemoon......

periscopical美[perɪskɒpɪkəl]英[perɪskɒpɪkəl]adj.用潜望镜的(大角度的)......

periscopic美[ˌperəskɒpɪk]英[ˌperɪskɒpɪk]adj.展望的；周视的......

periscope美[perɪskoʊp]英[perɪskəʊp]n.潜望镜形容词：periscopic近义词：telescope，英英释义Nounanopticalinstrumentthatprovidesaviewofanotherwiseobstructedfield例句用作名词(n.)Asimpleperiscopeusesmirrors.......

perisarc美[perəsɑːk]英[perəsɑːk]n.[动](某些水螅体的)围鞘形容词：perisarcal......

perique美[pəriːk]英[pəriːk]n.一种浓黑色的香烟......

peripteros美[pərɪptərɒs]英[pərɪptərɒs]n.围柱式建筑物......

periproct美[perəˌprɒkt]英[perɪprɒkt]n.(无脊椎动物的)围肛部......

periplast美[perəˌplɑːst]英[perɪplɑːst]n.[生]质膜；(尤指裸藻的)周质体......

periphyton美[pərɪfɪˌtɒn]英[pərɪfɪtɒn]n.[生]固着生物；水生附着生物例句Withhighadaptability,periphytoncouldadheretoanysurfaceinthewater.附生藻类具有高适应性，可附著在水域任何物体的表面上。Closelyas......

periphrastic美[ˌperɪfræstɪk]英[ˌperɪfræstɪk]adj.迂回曲折的；[语]迂说法的副词：periphrastically近义词：roundabout，circumlocutory，indirect，meandering，circuitous，convoluted，oblique，tortuous，circumlocutious，amba......

periphrasis美[pərɪfrəsɪs]英[pərɪfrəsɪs]n.绕语；迂回的话名词复数：periphrases近义词：circumlocution，indirectness，obliqueness，ambage，英英释义Nounastylethatinvolvesindirectwaysofexpressingthings例句Havingt......

periphrase美[perɪˌfreɪz]英[perɪˌfreɪz]n.委婉说法；拐弯抹角的说法v.拐弯抹角[委婉]地说......

periphery美[pərɪfəri]英[pərɪfəri]n.周边；边缘；外围名词复数：peripheries近义词：border，outside，fringe，margin，edge，sideline，boundary，outskirts，corner，compass，suburb，circuit，outerboundary，详细释义n.(名词)周围边缘外围......

peripheric美[perɪfərɪk]英[perɪfərɪk]adj.周围的(圆周的；四周的)......

peripherally美[pərɪfərəli]英[pərɪfərəli]adv.外围地；外面地近义词：around，incidentally，superficially，marginally，tangentially，irrelevantly，secondarily，centrally，英英释义Adverbinoratornearaperipheryoraccordi......

peripheral美[pərɪfərəl]英[pərɪfərəl]adj.外围的；不重要的n.外围设备副词：peripherally近义词：marginal，outer，outlying，minor，unimportant，superficial，circumferential，circumjacent，circumscribing，encircling，surroun......

peripherad美[pərɪfəræd]英[pərɪfəræd]adv.向外；向周围；向边缘......

peripeteia美[ˌperɪpətiːə]英[ˌperɪpətiːə]n.情节的突然转变近义词：tragedy，peripety，peripetia，英英释义Nounasuddenandunexpectedchangeoffortuneorreverseofcircumstances(especiallyinaliterarywork);"aper......

peripatus美[pərɪpətəs]英[pərɪpətəs]n.[昆]栉蚕近义词：onychophoran，英英释义Nounanyofnumerousvelvety-skinnedwormlikecarnivorousanimalscommonintropicalforestshavingcharacteristicsofbotharthropodsand......

peripateticism美英n.逍遥学派的哲学；逍遥；散步近义词：Aristotelianism，英英释义Noun(philosophy)thephilosophyofAristotlethatdealswithlogicandmetaphysicsandethicsandpoeticsandpoliticsandnaturalscience;"Aristote......

peripatetic美[ˌperipətetɪk]英[ˌperipətetɪk]n.Peripatetic.adj.亚里士多德信徒sp.亚里士多德学派的近义词：adventurer，planetary，itinerant，traveling，travelling，nomadic，wandering，roving，roaming，Aristotelian，Aristo......

periostracum美[ˌperiːɒstrəkəm]英[perɪɒstrəkəm]n.(软体动物介壳的)角质层名词复数：periostraca例句Treatingthesampleofperiostracumcicadawithsuspensiontechnique,calcium,manganeseandzincweresuccessfu......

periostitis美[ˌperɪɒstaɪtɪs]英[ˌperɪɒstaɪtɪs]n.骨膜炎形容词：periostitic例句Howareelbowmusclenuggetandankleperiostitistreated?手肘肌肉硬块和脚踝骨膜炎怎么治疗？Theremedialideawithgoodwhatdoesper......

periosteum美[ˌperɪɒstɪəm]英[ˌperɪɒstɪəm]n.骨膜形容词：periosteal名词复数：periostea英英释义Nounadensefibrousmembranecoveringthesurfaceofbones(exceptattheirextremities)andservingasanattachmentfor......

perionychium美[ˌperɪoʊnɪkɪəm]英[ˌperɪəʊnɪkɪəm]n.[解]甲周皮；甲周表皮名词复数：perionychia......

periods美[pɪrɪədz]英[pɪrɪədz]n.周期sp.名词period的复数形式.英英释义名词periodanamountoftimetheintervaltakentocompleteonecycleofaregularlyrepeatingphenomenon(icehockey)oneofthreedivisionsintowhic......

periodontology美[ˌperɪoʊdɒntɒlədʒɪ]英[ˌperɪəʊdɒntɒlədʒɪ]sp.[复]n.；[用作单][医]牙周病学例句In1990hedidresearchworkindepartmentofperiodontologyofHakkidoUniversity.在留学期间参加了日本国......

periodontium美[ˌperɪoʊdɒnʃəm]英[ˌperɪəʊdɒnʃəm]n.[解]牙周组织(尤指牙周膜)例句用作名词(n.)Combinedtreatmentsoftoothmovementandcelltransplantationresultedinenhancedregenerationoftheperiodont......

periodontics美[ˌperɪoʊdɒntɪks]英[ˌperɪəʊdɒntɪks]n.(单复同)牙周病学形容词：periodontic名词：periodontist近义词：periodontia，英英释义Nounthebranchofdentistrydealingwithdiseasesofthegumsandotherstruc......

periodontia美[ˌperiːədɒnʃə]英[perɪəʊdɒnʃɪə]sp.[复]n.；=periodontics近义词：periodontics，英英释义Nounthebranchofdentistrydealingwithdiseasesofthegumsandotherstructuresaroundtheteeth......

periodontal美[ˌperiədɑːntl]英[ˌperiədɒntl]adj.牙周的；齿根膜的副词：periodontally近义词：periodontic，详细释义adj.(形容词)牙周的齿根膜的牙齿周围的牙周齿周骨的齿周膜的齿周的牙周膜的英英释义Adjectiveofor......

periodize美[pɪrɪədaɪz]英[pɪərɪədaɪz]vt.把(绘画、音乐、文学等)划分时期(或时代)vi.划分时期(或时代)例句ThatperiodwasabrightpageinthehistoryofChineseliterature.那个时期是中国文学史上光辉的一页。L......

periodization美[pɪərɪədaɪzeɪʃən]英[pɪərɪədaɪzeɪʃən]n.周期化例句ThatperiodwasabrightpageinthehistoryofChineseliterature.那个时期是中国文学史上光辉的一页。Letushopethattheperiodofthisinj......

periodide美[pəraɪəˌdaɪd]英[pəraɪədaɪd]n.[化]高碘化物......

periodicity美[ˌpɪrɪədɪsətɪ]英[ˌpɪərɪədɪsɪtɪ]n.周期性；周期数名词复数：periodicities近义词：cyclicity，详细释义n.(名词)周期性定期周律周期数定期性间发性周率频率【电】周波【医】定期发作【天】定期......

periodically美[ˌpɪəriɒdɪkli]英[ˌpɪəriɒdɪkli]adv.周期性地；定期地近义词：sometimes，sporadically，everysooften，occasionally，attimes，onceinawhile，fromtimetotime，intermittently，atregularintervals，regularly，lik......

periodical美[ˌpɪriɑːdɪkl]英[ˌpɪəriɒdɪkl]n.期刊adj.定期的近义词：journal，magazine，publication，review，gazette，bulletin，monthly，weekly，quarterly，sheet，organ，paper，periodic，newspaper，press，详细释义n.(名词)期刊杂......

periodic美[ˌpɪriɑːdɪk]英[ˌpɪəriɒdɪk]adj.周期的；定期的；间歇的；完句的副词：periodically近义词：intermittent，serial，occasional，episodic，intervallic，interrupted，sporadic，broken，cyclic，recurrent，regular，continuing......

periodate美[pəraɪədeɪt]英[pəraɪədeɪt]n.高碘酸盐例句ThatperiodwasabrightpageinthehistoryofChineseliterature.那个时期是中国文学史上光辉的一页。Letushopethattheperiodofthisinjusticewillbeoversoon......

periocular美[perɪɒkjʊlə(r)]英[perɪɒkjʊlə(r)]adj.[解]眼周的例句Periocularbasalcellcarcinomaismostcommonlyfoundonthelowereyelidandmedialcanthus.摘要基底细胞癌好发于下眼睑及内眼眦。Itsusehasincre......

perinuclear美[ˌperənjuːklɪə]英[ˌperənjuːklɪə]adj.[生](细胞)核周的例句用作形容词(adj.)Activationoflymphocytesandliverregenerationbothinvolveperinuclearclusteringoflysosmes.淋巴细胞的激活以及......

perineurium美[ˌperənjuːrɪəm]英[ˌperənjuːrɪəm]n.[解]神经束膜形容词：perineurial名词复数：perineuria英英释义Nounthesheathofconnectivetissuethatcoversabundleofnervefibers......

perineuritis美[ˌperənʊraɪtɪs]英[ˌperɪnjʊraɪtɪs]n.[医]神经束膜炎例句Thispatienthadopticperineuritissecondarytosyphilis.血清及脊髓液之萤光螺旋体抗体吸附试验呈阳性反应。AClinicalStudyofTreatmen......

perineum美[ˌperɪniːəm]英[ˌperɪniːəm]n.会阴形容词：perineal名词复数：perinea英英释义Nounthegeneralregionbetweentheanusandthegenitalorgans例句用作名词(n.)Thesethreenadisoriginateatmooladharachakrawh......

perinephrium美[ˌperənefriːəm]英[perɪnefrɪəm]n.[解]肾周膜；肾外膜形容词：perinephral名词复数：perinephria......

perineal美[perɪnɪəl]英[perɪniːəl]adj.会阴的英英释义Adjectiveoforrelatingtotheperineum;"perinealpains"例句Rednessatperineumareaorswelling.会阴部发红或有胀痛现象。ThefirstRPwasperformedin1904inape......

perinea美[ˌperɪniːə]英[ˌperɪniːə]sp.perineum的复数......

perinatology美[ˌperəneɪtɒlədʒiː]英[perɪneɪtɒlədʒɪ]n.[医](一般包括产前5个月和产后1个月的)围产期学英英释义Nounthebranchofobstetricsconcernedwiththeanatomyandphysiologyanddiagnosisandtreatme......

perinatal美[ˌperɪneɪtl]英[ˌperɪneɪtl]adj.围产期的；出生前后的副词：perinatally近义词：prenatal，postnatal，详细释义adj.(形容词)出生前后的临产的产期的分娩前后的【医】围产期的英英释义Adjectiveoccurringdurin......

perimysium美[ˌperəmɪʒiːəm]英[perɪmɪzɪəm]n.[解]肌束膜名词复数：perimysia英英释义Nounthesheathofconnectivetissuethatcoversabundleofmusclefibers例句Thepathologicalstudyshoweddiffusemusclefiberatr......

perimorph美[perəˌmɔːf]英[perɪmɔːf]n.[矿](包裹另一种矿物的)被壳矿物；包被矿物形容词：perimorphic名词：perimorphism......

perimetry美[pərɪmətrɪ]英[pərɪmɪtrɪ]n.[医]视野测量例句Visualacuity,perimetryandscotometrywerenormalinbothcases.两例均为女性，单侧性，中心视力正常，中心视野及周边视野检查亦都正常。Objective:Toevaluate......

perimeter美[pərɪmɪtər]英[pərɪmɪtə(r)]n.周长；周界；边缘形容词：perimetric副词：perimetrically近义词：border，brink，corner，surroundings，brim，suburb，circuit，circumference，edge，boundary，limit，outskirts，outside，margin，详......

perim美英sp.丕林岛[也门西南部]......

perilymph美[perəˌlɪmf]英[perɪlɪmf]n.[解]外淋巴形容词：perilymphatic英英释义Nounthebodilyfluidthatfillsthespacebetweenthebonylabyrinthandthemembranouslabyrinthoftheinnerear例句Toseekevidenceforperil......

perilune美[perəˌluːn]英[perəˌluːn]n.近月点近义词：periselene，apolune，英英释义Nounperiapsisinorbitaroundthemoon例句Abstract.Thefirstorbitmaneuveroflunarorbitinsertion(LOI)mustbeimplementedatthefirstp......

perilous美[perələs]英[perələs]adj.危险的；冒险的副词：perilously名词：perilousness近义词：dangerous，risky，unsafe，headlong，violent，explosive，alarming，adventurous，slippery，hazardous，death-defying，terrifying，exposed，extr......

perilla美英n.[植]紫苏属英英释义NounsmallgenusofAsiaticherbs例句Perillafrutescens(L.)Britton.白苏叶Products:ZingibermiogaRose、PerillaLeaf.主要产品：茗荷、紫苏。AreviewonthechemistryandpharmacologyofPeri......

peril美[perəl]英[perəl]n.危险；冒险vt.冒险过去式：periled/perilled过去分词：periled/perilled现在分词：periling/perilling第三人称单数：perils/perils近义词：danger，risk，hazard，jeopardy，threat，harm，endangerment，liability......

perikaryon美[ˌperɪkæriːˌən]英[perɪkærɪɒn]n.(神经细胞的)核周体形容词：perikaryal名词复数：perikarya例句Adriamycincanselectivelykillperikaryonbywayofretrogradeaxoplasmictransport.阿霉素(多柔比星)......

perihelion美[ˌperɪhiːlɪən]英[ˌperɪhiːlɪən]n.近日点；最高点形容词：perihelial名词复数：perihelia近义词：aphelion，详细释义n.(名词)最高点【天】近日点极点英英释义Nounperiapsisinsolarorbit;thepointintheor......

perigynous美[pərɪdʒənəs]英[pərɪdʒənəs]adj.[植]周位的；周位排列的名词：perigyny......

perigordian美英adj.(欧洲旧石器时代晚期)佩里戈尔文化的n.佩里戈尔文化......

perigon美[perɪgɒn]英[perɪgɒn]n.周角近义词：roundangle，英英释义Nounanangleof360degrees......

periglacial美[ˌperəgleɪʃəl]英[perɪgleɪsjəl]n.冰缘(冰边)adj.冰缘的例句用作名词(n.)Asabove,itappearsthatGanziLoessisaeoliansedimentintheperiglacialenvironment.根据上述特征推断，甘孜黄土应为冰缘风......

perigee美[perɪdʒiː]英[perɪdʒiː]n.近地点；最近点形容词：perigeal近义词：apogee，英英释义NounperiapsisinEarthorbit;thepointinitsorbitwhereasatelliteisnearesttotheEarth例句用作名词(n.)TheMoonreachesitsabso......

perigean美[pendʒiːən]英[pendʒiːən]adj.在近地点时间的例句Scientistscalltheseperigeantides,becausethemoonsclosestpointtoEarthiscalledperigee.科学家们称月球离地球最近的点为近地点，这种潮水为近月潮；per......

peridotite美[ˌperɪdoʊtaɪt]英[ˌperɪdəʊtaɪt]n.橄榄岩英英释义Nounadarkcoarse-grainedigneousrockconsistingprincipallyofolivine例句用作名词(n.)Themagnesiteoriginatedfromtheperidotitebyweathering.......

peridot美[perɪˌdɒt]英[perɪdɒt]n.橄榄石形容词：peridotic英英释义Nounapalegreenvarietyofchrysolite;usedasagemstone例句用作名词(n.)PerfectioninPrincesscutPeridot!公主方切割的橄榄石尽显完美！Peridotholds......

peridium美[pərɪdɪəm]英[pərɪdɪəm]n.〈植〉(某些真菌的)包被；外壁形容词：peridial名词复数：peridia详细释义n.(名词)【植】子壳【植】（某些真菌的）包被外壁小袋虫属果皮英英释义Nounouterlayerofthespore-bearingo......

peridiolum美[pəˌrɪdiːoʊləm]英[pəˌrɪdiːəʊləm]n.[植]小包......

peridiole美[pərɪdɪoʊl]英[pərɪdɪəʊl]n.[植]小包......

periderm美[perədɜːm]英[perɪdɜːm]n.周皮形容词：peridermal例句用作名词(n.)Indamagedstemsandroots,andinthoseundergoingsecondarygrowth,itisreplacedbyasecondarylayer,theperiderm.已损伤的茎和根，以及进行......

peridental美[perɪdentəl]英[perɪdentəl]adj.牙齿周围的；齿根膜的例句Objective:ToinvestigatetheexistenceandlocalizationofCGRP1receptorinratdentalhardtissuesandinperidentaltissue.目的:研究大鼠牙体、牙周......

pericynthion美[ˌperəsɪnθɪən]英[perɪsɪnθɪən]n.[天]近月点......

pericycle美[perəˌsaɪkəl]英[perəsaɪkl]n.[植]中柱鞘形容词：pericyclic例句用作名词(n.)Surroundingthecentralcylinderisthepericycle.围绕中柱的是中柱鞘。......

pericranium美[ˌperɪkreɪnɪəm]英[ˌperɪkreɪnɪəm]n.头盖骨膜；头盖骨；脑形容词：pericranial名词复数：pericrania例句ObjectiveToexploretheapplicationoftitaniummeshincombinationwithvascularizedpericraniumfo......

pericles美英n.伯利克里（人名；古希腊著名政治家）形容词：Periclean英英释义NounAthenianstatesmanwhoseleadershipcontributedtoAthenspoliticalandculturalsupremacyinGreece;heorderedtheconstructionoftheParthenon(die......

periclean美英adj.培里克利斯例句PericleanAthens,ConfucianChinaandAchaemenidIranexistedatmore-or-lessthesametime,between500BCand450BC.培里克里斯时代的雅典、孔子时代的中国以及阿契美尼德时代的伊朗所处的历......

periclase美[perəˌkleɪs]英[perɪkleɪse]n.方镁石近义词：magnesiumoxide，magnesia，英英释义Nounawhitesolidmineralthatoccursnaturallyaspericlase;asourceofmagnesium例句用作名词(n.)Normalmagnesiabrickismadeof......

perichondrium美[ˌperɪkɒndrɪəm]英[perɪkɒndrɪəm]n.[解]软骨膜形容词：perichondrial名词复数：perichondria例句用作名词(n.)Theperichondriumcarriesthebloodsupplytothecartilage.软骨膜是向软骨输送血液的。......

pericementum美[ˌperɪsɪmentəm]英[ˌperɪsɪmentəm]n.[解]牙周膜例句Asadaily-usechemicalrawmaterial,itisusedingreentoothpasteandcosmetics;havingobviousfunctionsonthepericementum,oralcavityulcers,and......

pericarp美[perɪˌkɑːp]英[perɪkɑːp]n.果皮形容词：pericarpial近义词：seedvessel，英英释义Nountheripenedandvariouslymodifiedwallsofaplantovary例句用作名词(n.)Asingleseedisenclosedbyathinpericarp.一个单独......

pericardium美[ˌperɪkɑːdɪəm]英[ˌperɪkɑːdɪəm]n.心包膜；心包；围心膜形容词：pericardial名词复数：pericardia英英释义Nounaserousmembranewithtwolayersthatsurroundstheheart例句用作名词(n.)Almostallmetast......

pericarditis美[ˌperɪkɑːdaɪtɪs]英[ˌperɪkɑːdaɪtɪs]n.心包炎英英释义Nouninflammationofthepericardium例句用作名词(n.)Thisisanotherexampleoffibrinouspericarditis.也是纤维素性心包炎。Earlypericar......

pericardiocentesis美[perɪkɑːdɪoʊsentiːsɪs]英[perɪkɑːdɪəʊsentiːsɪs]n.[医]心包(放液)穿刺术......

pericardial美[perɪkɑːdɪəl]英[perɪkɑːdɪəl]adj.围心的；[解]心包的近义词：pericardiac，英英释义Adjectivelocatedaroundtheheartorrelatingtooraffectingthepericardium;"pericardialspace"例句用作形容词(adj......

pericardiac美[perɪkɑːrdɪæk]英[perɪkɑːrdɪæk]adj.(无脊椎动物和节肢动物的)围心的；[解]心包的近义词：pericardial，英英释义Adjectivelocatedaroundtheheartorrelatingtooraffectingthepericardium;"pericardi......

peribolos美[pərɪbələs]英[pərɪbələs]n.(圣地或圣殿的)围墙......

periblem美[perəˌblem]英[perɪblem]n.[植]皮层原例句用作名词(n.)Inrootmeristemitisalsocalledperiblem.根部分生组织也称为皮层原。......

periblast美[perɪˌblæst]英[perɪblæst]n.[生]表胎层......