It doesn't give you enough content. It doesn't give you most of the things you want to do online, for example - Hulu.com,Netflix, because it doesn't support Flash.
VOA : standard.2010.04.03
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。