The best prevention for cholera is to boil or filter water, and eat only well-cooked food.

预防霍乱最好的方法是把水煮沸或过滤，并且只吃煮熟的食物。

《柯林斯英汉双解大词典》

They filter out the things that are going up – food and energy.

他们过滤掉正上升的食品和能源。

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Purple tunicates filter the water for food.

紫色的被囊动物从海水中过滤出食物。

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Lots of savvy chefs are talking directly to people who enjoy food without the network filter.

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The filter feeder fish at the bottom of the food chain then ingest these nano-particles of plastic.

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They filter out the things that are going up, food and energy.

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