pyrimidine [paɪ'rɪməˌdi:n]

例句:

• The purine and pyrimidine may be complexed with a sugar to produce a nucleoside.
  嘌呤和嘧啶可以同一个糖复合,产生一个核苷.
  
• The substitution of a purine for a pyrimidine, or vice versa is a transversion.
  嘌呤为嘧啶取代或嘧啶为嘌呤所取代,叫做颠换.
  
• Hydrogen bonds play important roles to living organisms containing pyrimidine - based derivatives.
  氢键对含有以嘧啶为基的衍生物的生命体具有重要作用.