名词
中文翻译：母牛
同义词：
['mother cow', 'mare']
例句：
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1.The brood sow is the mother of the calf.
这头母牛是小牛的母亲。
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2.She was a skilled horse breeder and owned several brood sows.
她是个熟练的马匹育种者，拥有几头母马。
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3. The brood sow is responsible for the birth and growth of the calf.
这头母牛负责小牛的出生和成长。