名词
中文翻译：下层皮肤
同义词：
['subdermal layer', 'dermis']
例句：
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1. The skin is the outermost layer of the body.
皮肤是身体最外层的。
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2. The scientist studied the structure of the human brain.
科学家研究了人类大脑的结构。
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3. The doctor advised him to take a rest and avoid straining his muscles.
医生建议他休息一下，避免拉伤肌肉。