This is the rhino. He is a big animal and has a horn on his head.
这是犀牛。它是一个巨大的动物，在他的头上有一只角。
The research advances of molecular structure and the degradation mechanism of cellulases separated horn microorganism and animal west summarized.
综述了近年来微生物纤维素酶和动物纤维素酶分子结构和降解机制方面的研究进展。
Keratin, a kind of protein, exists widely in human and animal organs, including epidermis, hairs, wool, feather, hoof and horn. It is a natural compound material with good properties.
角蛋白是蛋白质的一种，广泛存在于人和动物的表皮、毛发以及动物的蹄、壳、爪、角中，是一类性能优良的天然生物复合材料。
Keratin, a kind of protein, exists widely in human and animal organs, including epidermis, hairs, wool, feather, hoof and horn. It is a natural compound material with good properties.
角蛋白是蛋白质的一种，广泛存在于人和动物的表皮、毛发以及动物的蹄、壳、爪、角中，是一类性能优良的天然生物复合材料。
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