名词
中文翻译：折叠
同义词：
['fold', 'crease', 'crease line']
例句：
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1. The book is rheid in half by the spine.
这本书被书脊折成两半了。
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2. The dress has several rheid lines on it.
这件衣服上有几个折痕。
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3. When folding clothes, make sure to keep them flat and not crease them.
折叠衣服时，确保它们平铺且不产生折痕。