polyunsaturated [ˌpɒlɪʌn'sætʃəˌreɪtɪd]

例句:

• Polyunsaturated oils are essential for health. Excess is harmful, however.
  多不饱和油对健康很重要。但是，食用过量就会有害。
  来自柯林斯例句
• The equivalent of two tablespoons of polyunsaturated oils is ample each day.
  每天相当于两大汤匙多重不饱和油的量就足够了。
  
• foods that are high in polyunsaturated fats
  富含多不饱和脂肪的食物
  
• Monounsaturated and polyunsaturated fats are both included in this group.
  来自BBC
• The polyunsaturated fat didn't cause atherosclerosis.
  来自SA
• Never use polyunsaturated fat or butter as these can cling onto birds' feathers.
  来自BBC