| I | filter |
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| he/she/it | filters |
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| you | filtered |
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| I | have | filtered |
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| you | have | filtered |
| he/she/it | has | filtered |
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单语范例（未经PONS编辑处理）
Keg beer is often filtered and/or pasteurized, both of which are processes that render the yeast inactive, increasing the shelf life of the product.
en.wikipedia.org The measurements showed that tar and nicotine levels of filtered cigarettes were higher or close to the levels of former unfiltered cigarettes.
en.wikipedia.org They need water containers of three litres or more and with lids, which the park fills with filtered water before shipping; and non-perishable food and thermos flasks.
www.odt.co.nz The high-frequency ripple is more easily filtered out than mains-frequency.
en.wikipedia.org As part of this blending process, light rums may be filtered to remove any color gained during aging.
en.wikipedia.org