名词
中文翻译：Unknown
同义词：
['scraping', 'turning', 'cutting', 'milling例句：1. The machine is grinding the grain into flour.（这台机器正在将谷物磨成面粉。）2. The car engine is grinding away at the oil.（汽车发动机在不断消耗机油。）3. Time is a precious commodity that grinds on us day by day.（时间是宝贵的资源，我们每天都在失去它。）']
例句：
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1. 研磨；磨碎；2.
机器
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3.
时间、金钱等
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1. The machine is grinding the grain into flour.
这台机器正在将谷物磨成面粉。
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2. The car engine is grinding away at the oil.
汽车发动机在不断消耗机油。
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3. Time is a precious commodity that grinds on us day by day.
时间是宝贵的资源，我们每天都在失去它。