Roots Part 2- Roots improve Vocabulary!

source: Gerry English Expressions     2014年5月8日
http://englishexpressyes.com/english-...
This is Part 2 of our sample private English tutoring video which teaches the concept of Latin & Greek "roots", groups of words taken from actual Latin & Greek words and used in virtually a countless amount of English words. You can Improve Your Vocabulary...without a Dictionary!