动词
中文翻译：过滤
同义词：
['sieve', 'sieve out', 'screen']
例句：
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1.The coffee was so strong that it needed to be filtered before drinking.
咖啡太浓了，需要过滤后才能喝。
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2.The scientist used a microscope to filter out the bacteria in the water sample.
科学家用显微镜来过滤掉水样中的细菌。
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3.The new filter system greatly improved the quality of the water.
新的过滤系统大大提高了水质。