名词
中文翻译：结木
同义词：
['knotwood', 'knotty wood', 'knotted wood例句：1. The knot in the rope is causing it to break easily.（绳子上的结很容易就断了。）']
例句：
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1. The knot in the rope is causing it to break easily.
绳子上的结很容易就断了。
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2. This knotwood has been used for centuries as a building material.
这种结木被用作建筑材料已经有几个世纪了。
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3. The knotwood was so hard that it could not be cut with a knife.
这种结木非常坚硬，不能用刀切。