名词
中文翻译：Unknown
同义词：
['pellicleous resin', 'pellicleous gum']
例句：
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1. The ancient tree produces a pellicleous resin that is used in medicine.
这棵古老的树产生一种胶质树脂，用于医学。
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2. The pellicleous resin from the tree has been used for centuries as a natural preservative.
这种来自树的胶质树脂被用作数百年来的自然防腐剂。
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3. The pellicleous resin was extracted from the tree and used to make adhesives.
从树上提取的胶质树脂被用来制作粘合剂。