名词
中文翻译：Unknown
同义词：
['margin', 'boundary', 'outer layer', 'epidermis']
例句：
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1. 边缘；边界；2.
生物的
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3.
植物的
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1.The scientist found the peritreme of the animal's skin to be essential for its survival.
科学家发现动物皮肤的外层对其生存至关重要。
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2.The plant's outer layer is rich in nutrients that it absorbs through its roots.
这种植物的外皮层富含养分，通过根系吸收。
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3. The researcher discovered that the peritreme plays a crucial role in the plant's defense against pathogens.
研究人员发现外皮层在植物抵御病原体方面起着关键作用。