Hanzi Explorer 

Hanzi Explorer features a unique writing animation, every National standardized Hanzi is derived from its etymology to color components for dramatically enhancing your memory efficiency, and spoken by a FAMOUS CHINESE NATIONAL BROADCAST ANNOUNCER
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TR Dictionary 

An add-on to the Internet Explorer. It converts the browser into: Speaking dictionary. You can see the explanation in the pop-up hint, and hear it. Vocabulary drills. Three efficient tests will help you memorize new words.
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