About Learning English roots. 关于英语词根的学习技巧 Please tell me some English roots everyday used, what is the meaning of the beginning? Their combination is what laws it? If you can provide the URL, the better. Thank you very much! 谁能告诉我一些常用的英语词根，及其本义？ 这些词根的组合方式有规律么？ 如果能提供学习网址，那就更好啦。 非常感谢：）