名词
中文翻译：树脂
同义词：
['resin', 'resinous']
例句：
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1.The ancient tree was covered in a thick layer of resinous bark.
那棵古老的树覆盖着厚厚的树脂状的树皮。
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2. Resin is a natural material that can be used to make various products.
树脂是一种天然材料，可以用来制作各种产品。
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3.The resinous substance on the surface of the stone has been preserved for thousands of years.
石头表面的树脂状物质已经被保存了数千年。