动词
中文翻译：过滤
同义词：
['sieve', 'screen', 'sift']
例句：
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1.The coffee is so strong that it needs to be filtered before drinking.
咖啡太浓了，需要过滤后才能喝。
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2. She used a filter to remove the impurities from the water.
她用过滤器从水中去除杂质。
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3.The filter in the machine is designed to prevent dust from entering.
机器中的过滤器设计用来防止灰尘进入。