复数： digestives

Meat protein is difficult to digest and requires a lot of digestive enzymes .

肉类蛋白质是难以消化的，需要耗费大量的消化酶来消化。

Improperly digested food moves slowly through the digestive tract , where it becomes increasingly acidic .

没有被正确地消化的食物在消化道中缓慢移动，然后酸性变得越来越强。

Too much fat in your diet wears down your digestive system .

饮食中过量的脂肪会消磨你的消化系统。

That sudden heat can disable their digestive machinery .

那突如其来的热量能破坏他们的消化机制。

Corn syrup , thick carbohydrates and creams are terribly difficult for the digestive track and clutter your insides with crap .

玉米糖浆、富含碳水化合物的食品、奶油是很难消化的食物，而且会使内脏充满废物。