Useful Pages en 8:38

http://www.wordreference.com/

The WordReference dictionary is a free online translation dictionary. The goal of giving you this page is when you have a doubt with any word you guys search the word and find a variety of translations for a word in different contexts and also see the phonetic transcriptions of words, which are important for pronunciation.

http://dictionary.cambridge.org/

Cambridge Dictionaries Online is a page that gives definitions of words and has a particular detail that here you can find audio in British and American English, which is useful for practicing the pronunciation of words.