英英字典

Marriam Webster
http://www.m-w.com/

HyperDictionary
http://www.hyperdictionary.com/

Marriam Webster
http://www.m-w.com/

Thesaurus.com
http://thesaurus.reference.com/

Encarta
http://encarta.msn.com/

Encarta (Dictionary)
http://encarta.msn.com/encnet/fe ... dictionaryhome.aspx

Webopedia
http://www.webopedia.com/

yourdictionary.com
http://www.yourdictionary.com/

dict.org
http://www.dict.org/bin/Dict

WordMyth.net
http://www.wordsmyth.net/

Quotation Dictionary
http://www.quotationreference.com/main.php