英语语法分析

Protein and carbohydrate have 4 calories per gram, per unit weight.

每克每单位重量蛋白质和碳水化合物产生4卡路里。

Gram for gram the fat provides a lot more punch in terms of calories than protein or carbohydrate.

与蛋白质或碳水化合物相比，每克脂肪提供了更多以卡路里来计的热量。

The industry, stung by the current popularity of the Atkins low-carbohydrate diet, has begun to respond.

食品行业受到阿特金斯低碳水化合物饮食目前流行的刺激，已开始作出回应。