内容简介
TheFifthEditionofLongmanDictionaryofAmericanEnglishisthekeytovocabularybuilding!Nowwiththefullcontentsonline,plusonlineThesaurusandVocabularyChecker.
Clearandcomprehensive
109,000words,meaningsandphrases,includingwordsfromtheAcademicWordList
59,000examplesentences,showingthousandsofacademicwordsandcollocations
CleardefinitionswrittenusingtheLongmanAmericanDefiningVocabularyofjust2,000commonwords
WordsforcontentareassuchasScienceandSocialStudies
Thekeytovocabularybuilding
Collocationboxesshowcombinationofwordsthatareoftenusedtogether,suchasstronginterest,highlysuccessful,andtakeatest
IntegratedThesaurusexplainsthousandsofsynonymsandantonyms
3,000etymologiesexplaintheoriginofwords-15,000etymologiesonline
Learner'sHandbookonWriting,CollocationsandGrammar
Workbookexercisesforself-studyandclassroomuse
Entirecontentsonline
Pronunciationofallthewordsandexamplesentences,andpronunciationpractice
LongmanVocabularyChecker:findoutwhichtypeofvocabularyisusedinthetextyouarereadingandwhichwordsyoushouldlearn
Thesaurus:choosetherightwordandbuildyourvocabulary
TopicVocabulary:findallthewordsyouneedtowriteaboutcommontopicssuchasDescribingPlaces,Technology,SportsandRelationships
AcademicStudyCenterwithinteractiveexercisesforvocabulary,readingandwriting,andexampracticeforTOEFL