名词
中文翻译：纸封面
同义词：
['cover', 'flap', 'tab', 'cardboard cover']
例句：
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1.The book has a paper cover that is easy to carry.
这本书有一个纸封面，容易携带。
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2. The box has a paper cover that can be easily peeled off.
这个盒子有一个纸封面，可以很容易地撕下来。
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3. The package was wrapped in a paper cover and delivered by mail.
这个包裹被包装在纸封面中，并通过邮件送达。