名词
中文翻译：外层纤维
同义词：
['outer fiber', 'outer layer例句：1. The skin is the outer layer of the body that protects it from the environment.（皮肤是身体的外层，保护身体免受环境影响。）']
例句：
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1. The skin is the outer layer of the body that protects it from the environment.
皮肤是身体的外层，保护身体免受环境影响。
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2. The outer layer of the skin is responsible for protecting the body from external factors.
皮肤的外层负责保护身体免受外部因素侵害。
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3.The outer layer of the skin is also responsible for maintaining the body's temperature.
皮肤的外层还负责维持身体的温度。