名词
中文翻译：迟钝的纤维
同义词：
['sluggish fibre', 'dull fibre例句：1. The new material has a dull fibre that makes it difficult to work with.（这种新材料有迟钝的纤维，使得它难以使用。）']
例句：
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1. The new material has a dull fibre that makes it difficult to work with.
这种新材料有迟钝的纤维，使得它难以使用。
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2. The old building had dull fibres that were hard to repair.
旧建筑的纤维很迟钝，很难修复。
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3. The wool is made from dull fibres that are soft and warm.
羊毛是由迟钝的纤维制成的，柔软且温暖。