名词
中文翻译：牛奶石
同义词：
['milkstone', 'milk crock']
例句：
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1.The milk stone is a popular souvenir from the dairy industry.
牛奶石是乳制品行业中的一个受欢迎的纪念品。
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2.The milk stone has been used for centuries to store and transport milk.
牛奶石被用来储存和运输牛奶几个世纪了。
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3.The milk stone is often found in museums as a symbol of the dairy industry's heritage.
牛奶石常常在博物馆中被发现，作为乳制品工业遗产的象征。