形容词
中文翻译：过滤的
同义词：
['purified', 'refined', 'cleansed']
例句：
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1.The water was so polluted that it needed to be filtered before drinking.
水被污染得如此严重，需要过滤后才能饮用。
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2.The filter in the coffee maker is what separates out the grounds from the liquid.
咖啡机中的过滤器是用来分离固体和液体的。
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3. The filters in the air purifier are designed to remove dust and allergens from the air.
空气净化器中的过滤器设计用来去除空气中的灰尘和过敏原。