●The Longman Active Study Dictionary is ideal for intermediate students who want a dictionary that lasts them up to advanced level. The best-selling dictionary in its category, the Active Study includes all the information students need to improve their English and increase their vocabulary in a portable size. It has more words, phrases, and examples than any other dictionary at this level. ●Easy to understand – all definitions are written using the Longman Defining Vocabulary of 2000 common words ●Real examples from the Longman Corpus Network ●Expands students’ vocabulary with thesaurus boxes and topic boxes ●Helps students focus on the most important words they need to know by highlighting 3000 common words in red ●Longman Learner’s Handbook includes information about vocabulary building, collocations, phrasal verbs and writing ●Extra exam practice on the CD-ROM for KET, PET, FCE and IELTS ●Helps students improve their pronunciation with spoken headwords and a recording function on the CD-ROM●適合國小高年級，國中學生及英語學習三年以上者；特別推薦給私立雙語國際中小學生
●收錄詞目及片語共45,500。 3,000 精選活用詞彙，有助學生打穩詞彙基礎。
●「學習提示 」針對學生常犯的文法錯誤，重點講解難點。
●「語法說明」及「拼寫說明」提供語法及拼寫的基本知識，讓學生打好基礎。
●附送學習光碟，內有釋義，1,500幅彩圖，150段短片，英美讀音及大量語法練習。

●Requirements for use of CD-ROM：
Windows ME/2000/XP
500 MHZ, 128 MB RAM
800x600 screen resolution

** 目前國外已出版到5th Edition (Publication Date: 2010)，但目前台灣尚無進口。
** 第四版確定無法在Win8 與 Mac系統下使用。