Bacterial fermentation helps to break cellulose down in the digestive tract, but of pachyderms' average daily intake of 150kg or so of plant matter, about 60% passes right through.
细菌的发酵作用有助于分解消化道内的植物纤维，但由于大象平均每天要吃150公斤左右的植物，其中约有60%都是直接排出体外。
The most important representatives are starch, glycogens, and cellulose. Starch is the most important carbohydrate used on fermentation processes.
最典型的代表是淀粉、糖原和纤维素。
Both starch and cellulose consist of sugar molecules, linked together in different ways, and sugar is what fermentation feeds on.
淀粉和纤维素都由多糖分子构成，只不过连结方式不同，而且发酵也以糖为能源。
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