名词
中文翻译：Unknown
同义词：
['filter', 'sieve', 'screen', 'strainer']
例句：
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1. The carrier filter is used to remove impurities from the liquid before it is tested.
载体过滤器用于在测试之前去除液体中的杂质。
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2. The screen filters out the larger particles from the sand and leaves only the finer onesbehind.
筛子将沙子中的较大颗粒筛选出来，只留下更细小的颗粒。
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3. The strainer was used to catch the small drops of water that fell from the ceiling during the rain.
滤网被用来捕捉从天花板上落下的小水滴。