n.饮食学家;营养学家
=dietician.
I became a dietitian not because I'm enamored of nutrients but because I love food. 我成为饮食专家不是因为我对营养物质感兴趣而是因为我喜欢食物。
I have no doubt she would make a good dietitian. 毫无疑问她会成为优秀的营养学家。