dietitian

A registered dietitian can give you lots of other snack and menu ideas..你的营养学家会提供给你一份含各种小食的建议菜单。

Speak with your physician or dietitian about making sure you are getting adequate nutrients while pregnant and nursing..与你的医生或营养学家谈谈，确定在怀孕和哺乳期间，你获取了足够的营养物质。

But those astronaut-designed menus must be checked by a dietitian to ensure the astronauts consume a balanced supply of nutrients..但是那些由宇航员自己设计的菜单必须由一位营养学家检查，以确保宇航员营养供给平衡。