飲食學 angolul

dietetics [dietetics]▼(study of diet and nutrition)
noun
[UK: ˌdaɪə.ˈte.tɪks] [US: ˌdaɪə.ˈte.tɪks]

dietitian▼(person who studies or practices dietetics)
noun
[UK: ˌdaɪə.ˈtɪʃ.n̩] [US: ˌdaɪə.ˈtɪʃ.n̩]