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1、朗文词典注释所用2000核心词汇集TheLongmanDefiningVocabularyWordsusedinthedefinitionsinthisdictionaryAllthedefinitionsinthisdictionaryhavebeenwrittenusingthewordsinthislist.Ifadefinitionincludesawordthatisnotinthelist,thatwordisshowninsmallcapitalletters.TheDefiningVocabularyhasbeenca
2、refullychosenafterathoroughstudyofallthewell-knownfrequencylistsofEnglishwords.Furthermore,onlythemostcommonand‘entral’meaningsofthewordsinthelisthaveactuallybeenusedindefinitions.WehavealsousedaspecialcomputerprogramthatcheckseveryentrytoensurethatwordsfromoutsidetheDe
3、finingVocabularydonotappearindefinitions.WordclassrestrictionsForsomewordsinthelist,awordclasslabelsuchasnoradjisshown.Thismeansthatthisparticularwordisusedindefinitionsonlyinthewordclassshown.Soanger,forexample,isusedonlyasanounandnotasaverb.Butifnowordclassisshownfora
4、word,itcanbeusedinanyofitsusualwordclasses:answer,forexample,isusedindefinitionsbothasanounandasaverb.CompoundwordsDefinitionsoccasionallyincludecompoundwordsformedfromwordsintheDefiningVocabulary,butthisisonlydoneifthemeaningiscompletelyclear.Forexample,thewordbusiness
5、man(formedfrombusinessandman)isusedinsomedefinitions.PrefixesandsuffixesThemainlistisfollowedbyalistofcommonprefixesandsuffixes.Thesecanbeaddedtowordsinthemainlisttoformderivedwords,providedthemeaningiscompletelyclear.Forexample,thewordnervousness(formedbyadding-nesston
6、ervous)isusedinsomedefinitions.PhrasalverbsPhrasalverbsformedbycombiningwordsintheDefiningVocabulary(forexample,putupwith)arenotusedindefinitionsinthedictionary,exceptinaverysmallnumberofcaseswherethephrasalverbisextremelycommonandthereisnocommonequivalent.So,forexample
7、,giveup(asingiveupsmoking)andtakeoff(asintheplanetookoff)areoccasionallyused.PropernamesTheDefiningVocabularydoesnotincludethenamesofactualplaces,nationalities,religions,andsoon,whichareoccasionallymentionedindefinitions.PearsonEducationLimited1999Atotalof2043words,byQx
8、leeAaabbreviationabilityableaboutaboveadv,prepabroadabsenceabsentadjacceptacceptableaccidentaccidentalaccordin
