GoogleTrans-Speak can speak any sentence or paragraph on almost any webpage, with a Karaoke effect, that is, the word will be highlighted as it is being spoken. Google translation of the word or selected text the cursor is over also happens.
A beginning listener to a language hears a continuous stream of sound. He cannot segment the words or follow the text in front of him. Karaoke Text to Speech does the initial handholding he needs to get to step one of aural understanding of a language.