primer [ˈprɪmɚ]

例句:

• The President doesn't need a primer on national security.
  总统对于国家安全是不需要读入门书的。
  
• The bare metal was sprayed with several coats of primer.
  裸露的金属上被喷上了几层底漆。
  
• I borrowed from the library a primer of phonetics.
  我从图书馆借了一本语音学入门书.
  
• First, a quick primer on incest avoidance theory.
  来自SA
• She covered the dolls with white primer.
  来自NEWYORKER
• Here's a quick primer on when to find the best deals.
  来自WSJ