名词
中文翻译：桦树胶
同义词：
['birch sap', 'birch gum']
例句：
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1.Beech gall is a natural product that can be used for medicinal purposes.
桦树胶是一种天然产物，可用于医疗用途。
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2. The beech gall was extracted from the tree and used as a natural preservative.
从树上提取的桦树胶被用作天然防腐剂。
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3.The beech gall has been found to have anti-inflammatory properties.
研究发现，桦树胶具有抗炎性质。