duolingo rule34 học tiếng anh duolingo Duolingo, Inc., b is an American educational technology company that produces learning apps and provides language certification. Duolingo offers courses on 43 languages, 5 ranging from English, French, and Spanish to less commonly studied languages such as Welsh, Irish, and Navajo, and even fictional languages such as Klingon. 6
duolingo pc After opening Duolingo, you should see a pop-up at the bottom of your screen letting you know you can view your year in review. To begin, tap See Year in Review , and on the next page, tap Start
duolingo app In November 2012, Duolingo released an iPhone app, 35 followed by an Android app in May 2013, at which time Duolingo had around 3 million users. 36 By July 2013, it had grown to 5 million users and was rated the No. 1 free education app in the Google Play Store. 37
