I use a great extension for this purpose called mingaling. It replaces words you designate with translations when they occur on any page. So as you surf you pas

I use a great extension for this purpose called mingaling. It replaces words you designate with translations when they occur on any page. So as you surf you passively learn vocabulary. https://addons.mozilla.org/en-us/firefox/addon/ming-a-ling/ https://addons.mozilla.org/en-us/firefox/addon/ming-a-ling/