名词
中文翻译：Unknown
同义词：
['cattle', 'cow', 'bovine', 'animal', 'livestock']
例句：
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1. The farmer has a small herd of cattle in his farm.
这位农场主在他的农场里有一小群牛。
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2. The young cow is nursing its calf.
这头年轻的奶牛正在哺乳它的小牛。
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3. Cattle are an important source of food and fiber for many people.
牛是许多人食物和纤维的重要来源。