it is an extention fot google chrome and it is very helpfull when you surfing any online websites with any language you are learning all you have to to is install google translate extention

link : https://goo.gl/bQepW0

all you need to do now is to mark the sentance or word with your mouse and alittle icon will pop up on click on it and you have your translation with written and spoken.

another good extention is this one link : https://goo.gl/94zjjb

it make you able to extract text form images then you copy them and use the translator extention

for pics to show you the process : https://www.facebook.com/hossam.tourki.1/posts/1230736016943866?pnref=story

hope this helps