名词
中文翻译：牡蛎壳部分
同义词：
['oyster shell part', 'oyster shell fragment']
例句：
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1. The oysters were harvested from the ocean floor.
从海底收获了牡蛎。
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2.The oysters are a popular seafood in many countries.
牡蛎是许多国家受欢迎的海鲜。
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3. The oysters have been used for centuries in traditional Chinese medicine.
牡蛎在中国传统医学中被使用了几个世纪。