名词
中文翻译：根鞘
同义词：
['rhizome sheath', "cork sheath例句：1. The roots of the tree are covered in a protective root sheath.（这棵树的根被一层保护性的根鞘覆盖。）2. The plant's ability to grow is closely linked to its root sheath.（植物的生长能力与其根鞘密切相关。）"]
例句：
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1. The roots of the tree are covered in a protective root sheath.
这棵树的根被一层保护性的根鞘覆盖。
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2. The plant's ability to grow is closely linked to its root sheath.
植物的生长能力与其根鞘密切相关。
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3.The scientist removed the root sheath to examine the roots more closely.
科学家移除了根鞘，以便更仔细地检查根部。