世界公認為最好既英文字典

Oxford dictionary. (The one with A to P in one book, then P to Z in another book).

This one has the most words.

For university level, try Oxford Advance Learner Dictionary or Collins Cobuild Dictionary.

2007-05-01 06:45:19 補充：
Sorry can't write Chinese in my computer.Oxford Dictionary is the best dictionary- according to my librarian at my university in England.

glorify

http://fanyi.cn.yahoo.com/?source=0U