过去的饮食往往倾向于少脂肪(也就是说，相比于脂肪和糖，更偏爱蛋白质和合成的碳水化合物，如淀粉)。

Diets of the past would tend to have been lean (that is, to have favoured protein and complex carbohydrates like starch over fats and sugars).

youdao

过去的饮食往往倾向于少脂肪(也就是说，相比于脂肪和糖，更偏爱蛋白质和合成的碳水化合物，如淀粉)。

Diets of the past would tend to have been lean (that is, to have favoured protein and complex carbohydrates like starch over fats and sugars).

youdao