dietetics造句

This book makes a significant contribution to dietetics.
此书对营养学有很大贡献。

It makes a significant contribution materia medica , dietetics and nourishment.
对本草学、食疗学、营养学均有贡献.

Answer: It is absolutely effective. However, dietetics is the key factor for a radical cure.
答: 绝对有效, 但若要根治还需要注意饮食, 此乃为病源.