dietitian [ˌdaɪɪˈtɪʃən]

例句:

• You can seek the advice of a nutritionist or dietitian.
  你可以征求营养师或饮食专家的意见。
  
• The dietitian was helpful, making suggestions as to how I could improve my diet.
  这位营养学家就如何改善饮食给我提出了些建议，对我很有帮助。
  
• He checked himself: a good chief dietitian was a pearl to be prized.
  他自我检讨着: 一个好的营养主任是一颗值得夸赞的珍珠.
  
• They can refer you if necessary to a specialist dietitian.
  来自BBC
• Pregnant women on vegan diets should seek the advice of a registered dietitian.
  来自BBC
• Ms. Lopinski, the dietitian, recently agreed to try the Shoe Burrito.
  来自WSJ