名词中文翻译
中文翻译：刺毛层
同义词：
['skin layer', 'cuticle', 'keratin layer']
例句：
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1. The gnathotectum is a thin layer of skin that covers the surface of insects.
刺毛层是覆盖昆虫表面的一层薄薄的皮肤。
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2. The gnathotectum plays a crucial role in protecting the body from external threats.
刺毛层在保护身体免受外部威胁方面起着至关重要的作用。
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3. The gnathotectum is made up of keratin, which is a protein found in hair and nails.
刺毛层由角蛋白组成，这是一种存在于头发和指甲中的蛋白质。