名词
中文翻译：贝壳
同义词：
['shell', 'oyster shell']
例句：
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1. The oyster is a popular delicacy in many Asian countries.
在许多亚洲国家，牡蛎是一种受欢迎的美食。
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2. The oyster shells are often used as decorative items.
牡蛎壳常被用作装饰品。
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3. The oyster has a rich flavor and is high in protein.
牡蛎味道鲜美，蛋白质含量高。