名词
中文翻译：角质层
同义词：
['keratin', 'epidermis', "stratum corneum例句：1. The skin's outer layer is the epidermis", 'which contains keratin.（皮肤的外层是表皮，它包含角蛋白。）']
例句：
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1. The skin's outer layer is the epidermis, which contains keratin.
皮肤的外层是表皮，它包含角蛋白。
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2.The stratum corneum is the outermost layer of the skin, protecting it from damage.
角质层是皮肤的最外层，保护它免受损伤。
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3. Keratin plays a crucial role in wound healing and skin health.
角蛋白在伤口愈合和皮肤健康中起着至关重要的作用。