unsaturated [ʌn'sætʃəˌreɪtɪd]

例句:

• Multiply unsaturated compounds are usually best named by the IUPAC nomenclature.
  多重不饱和化合物一般最好用IUPAC命名法来命名.
  
• The unsaturated link occurs in a cyclic system.
  在环体系中存在不饱和键.
  
• It provides a useful vehicle for transforming unsaturated acids to their corresponding alkenes.
  它为使不饱和酸变成相应的烯烃提供了一个有用的中间体.
  
• Eat high fat, higher the unsaturated the better.
  来自SA
• Eat more unsaturated fat than saturated fat.
  来自SA
• Where possible, you should ensure the fat you eat is unsaturated.
  来自BBC