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

预防霍乱的最佳方法是将水煮沸或过滤，并且只食用煮熟后的食物。

...a paper coffee filter.

咖啡过滤纸

You might use a yellow filter to improve the clarity of a hazy horizon.

可以使用黄色滤光器让模糊的视野更加清晰。

Light filtered into my kitchen through the soft, green shade of the cherry tree. [V + into/through]

光线透过樱桃树柔和的绿阴隐约照进我的厨房。

It took months before the findings began to filter through to the politicians. [V + through to]

调查结果数月后才传到从政者的耳朵里。

News of the attack quickly filtered through the college. [VERB + through]

有关袭击的消息很快就在该学院中传开了。

...as indications filter in from polling stations. [V in]

随着从投票站透露出各种迹象

...the horror stories which were beginning to filter out of Germany. [V + out of]

开始传出德国的恐怖故事

Children should have glasses which filter out UV rays.

儿童应该戴上滤除紫外线的眼镜。

Plants and trees filter carbon dioxide out of the air and produce oxygen.

花草树木会过滤掉空气中的二氧化碳并制造氧气。