polyunsaturated fatty acid

例句：

1. 1. The diet ofa healthy person should include a variety of polyunsaturated fatty acids.
   健康人的饮食应该包括多种多不饱和脂肪酸。
2. 2.Polyunsaturated fatty acids are essential for the health of our skin and hair.
   多不饱和脂肪酸对我们的皮肤和头发的健康至关重要。
3. 3.The researchers found that certain polyunsaturated fatty acids in fish oil could help prevent heart disease.
   研究人员发现，鱼油中的某些多不饱和脂肪酸可以帮助预防心脏病。