• wiktionary

  http://en.wiktionary.org/wiki/Wiktionary:Main_Page
  

  lisa 2010-04-19 13:32

  我也收藏
  

• 词根查找

  http://www.etymonline.com/index.php?search=&searchmode=none
  

  lisa 2010-04-19 13:30

  我也收藏