This is a Chrome extension that helps learn phonetic transcription and pronunciation.
To see transcription for a word on the page, move your mouse over it and hold the Ctrl (Cmd for OS X) key. Hold the mouse longer to listen the pronunciation.
To install the extension go to https://chrome.google.com/webstore/detail/english-learner-kit/afmaganbgpebidpiahknfcgbhegckaao