名词中文翻译
中文翻译：上纱线
同义词：
['upper thread', 'upper cloth']
例句：
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1.The weaver used a fine upper yarn to create intricate patterns on the fabric.
织布工人使用细的上纱线在织物上创造出复杂的图案。
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2.The upper yarn of the sweater is soft and warm, providing excellent insulation.
这件毛衣的上纱线柔软且保暖，提供了极好的绝缘效果。
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3. The upper yarn was so thin that it could hardly be seen through the fabric.
上纱线非常薄，几乎无法透过织物看到。