@AK sometimes I use lingualeo just as a mediator between word I want to learn and Anki - which can help me to do it...
When I read an e-book (or something else, i.e. http://www.imsdb.com/scripts/Terminator-2-Judgement-Day.html) and see unknown word - I use "LinguaLeo English Translator" extension (https://chrome.google.com/webstore/detail/lingualeo-english-transla/nglbhlefjhcjockellmeclkcijildjhi?hl=ru) to see what it means, picture of the thing. This extension allows to add the word to lingualeo's dictionary with translation,picture and a sentence in which it was used. Then all those word…