动词
中文翻译：Unknown
同义词：
['graze', 'drive', 'herd']
例句：
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1. 圈起；围住；2.
用于农业
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3.
在牧场中
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1.The farmers round up their cattle for the day's work.
农民们把牛群圈起来准备一天的工作。
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2.The cows were rounded up to be milked.
奶牛被圈起来以便挤奶。
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3.Roundups are a common practice in ranching.
圈养是牧场常见的做法。