Basic vocabulary is covered on this site. Many of the pages 显示 图片 of related objects (e.g. things in a living room). Mouseover to hear the pronunciation.
If you're actually considering putting yourself through the dreaded horror that is the Japanese Language Proficiency Test (JLPT), this site is essential 阅读 for Level 4.
If 你 can't find it at WWWJDIC 你 will be able to find it here. How to use: 1. Type in English 或者 Japanese (no romaji) in the input line under "英辞郎 on the Web" 2. Click the "英和・和英" button to search.