名词
中文翻译：Unknown
同义词：
['skin', 'epidermis', 'dermis', 'stratum corneum']
例句：
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1. The skin is the outermost layer of our body.
皮肤是我们身体最外层的一层。
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2. She has a skin condition that affects her eyes.
她有影响她眼睛的皮肤疾病。
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3. The dermis contains collagen fibers that give skin its elasticity.
真皮含有胶原蛋白纤维，使皮肤具有弹性。