名词
中文翻译：书皮
同义词：
['cover', 'flap', 'coverlet']
例句：
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1. The book jacket advertises the author's name and the title of the book.
这本书的封面上印有作者的名字和书名。
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2. She carefully folded the old book jacket to protect it from damage.
她小心翼翼地折叠旧书的封面以保护它不受损害。
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3. The new edition of the classic novel has a beautiful book jacket design.
这部经典小说的新版本有一个美丽的封面设计。