名词中文翻译
中文翻译：粗皮
同义词：
['bark', 'bark layer']
例句：
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1.The tree's trunk is covered in a thick layer of pannus crassus.
这棵树的树干上覆盖着一层厚厚的粗皮。
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2. The scientist studied the structure of the pannus crassus to understand its function.
科学家研究了粗皮的结构，以了解其功能。
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3.The pannus crassus helps protect the tree from damage caused by insects and other natural elements.
粗皮有助于保护树木免受昆虫和其他自然元素的损害。