名词
中文翻译：伸展度
同义词：
['extension', 'elongation', 'extensional']
例句：
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1. The fabric has a high degree of stretchiness.
这布料有很好的伸缩性。
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2. The material is highly elastic, capable of being stretched to its full length.
这种材料非常弹性，可以拉伸到其全长。
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3. The spider's web is an excellent example of natural extension.
蜘蛛网是天然延展的绝佳例子。