名词
中文翻译：牛棚
同义词：
['cowshed', 'cowhouse']
例句：
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1.The farmer has built a new cow pen for his herd of cattle.
农民为他那群牛建了一个新的牛棚。
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2. The cows graze in the lush pastures outside the cow pen.
奶牛们在牛棚外的绿草地上吃草。
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3. The cow pen is well-ventilated to prevent disease from spreading among the animals.
牛棚通风良好，以防止疾病在动物之间传播。