名词
中文翻译：真皮
同义词：
['subcutaneous layer', 'dermal layer']
例句：
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1.The skin is made up of three layers: the epidermis, the dermis, and the hypodermis.
皮肤由三层组成：表皮、真皮和皮下组织。
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2. The dermis contains blood vessels, nerves, and hair follicles.
真皮包含血管、神经和毛囊。
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3. The dermis is responsible for providingwarmth and protection to the skin.
真皮负责为皮肤提供温暖和保护。