Longman active study dictionary
Pearson Education Limited, 2010
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Longman active study dictionary of ENglish
England Longman 1983
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Longman Active Study English-Chinese Dictionary Liu Lingshen/Zhao Jiawen (Ed)
Shanghai Shanghai Shiwen Chubanshe 2001
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Longman dictionary of the English language
Longman, 1984
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Longman dictionary of contemporary English
Longman, 1989
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