Random quote: We have two ears and one mouth so that we can listen twice as much as we speak.: Epictetus
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Updated: 14/03/2018: A new open-source Javascript engine/library named Howler has been employed to handle audiofile. Enjoy pronunciation!
Optional: 01/2018:Picture Dictionary
Updated: 05/06/2018:List of Academic Words
Updated: 03/2019: Learning by reading annotated text, reliable state of art and updated news