名词
中文翻译：Unknown
同义词：
['dermis', 'epidermis', 'cutis']
例句：
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2.
动物
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3.
植物
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1. The skin's surface is covered in hair and sweat glands.
皮肤的表面覆盖着毛发和汗腺。
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2. The dermis contains collagen fibers that give the skin its strength.
真皮包含胶原蛋白纤维，赋予皮肤强度。
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3. Cutis is the outer layer of the skin, providing protection and insulation.
皮是皮肤的外层，提供保护和绝缘。