filter基本解释
n.过滤器；滤色镜；滤光器
v.过滤；渗透
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形容词: filterless 名词: filterer 过去式: filtered 过去分词: filtered 现在分词: filtering 第三人称单数: filters
n.过滤器；滤色镜；滤光器
v.过滤；渗透
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形容词: filterless 名词: filterer 过去式: filtered 过去分词: filtered 现在分词: filtering 第三人称单数: filters
noun
1. device that removes something from whatever passes through it
2. an electrical device that alters the frequency spectrum of signals passing through it
verb
1. pass through
e.g. Water permeates sand easily
Synonym: percolatesink inpermeate
2. remove by passing through a filter
e.g. filter out the impurities
Synonym: filtratestrainseparate outfilter out
3. run or flow slowly, as in drops or in an unsteady stream
e.g. water trickled onto the lawn from the broken hose
reports began to dribble in
Synonym: trickledribble
1. 过滤
To filter a substance means to pass it through a device which is designed to remove certain particles contained in it.
e.g. The best prevention for cholera is to boil or filter water, and eat only well-cooked food.
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。
2. 滤器;过滤器
A filter is a device through which a substance is passed when it is being filtered.
e.g. ...a paper coffee filter.
咖啡过滤纸
3. 滤声器;滤光器;滤波器
A filter is a device through which sound or light is passed and which blocks or reduces particular sound or light frequencies.
filter的意思
e.g. 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。
4. (光或声)隐约透过，缓缓传至
If light or sound filters into a place, it comes in weakly or slowly, either through a partly covered opening, or from a long distance away.
e.g. Light filtered into my kitchen through the soft, green shade of the cherry tree.
光线透过樱桃树柔和的绿阴隐约照进我的厨房。
5. (消息等)走漏，慢慢传开
When news or information filters through to people, it gradually reaches them.
e.g. It took months before the findings began to filter through to the politicians...
调查结果数月后才传到从政者的耳朵里。
e.g. News of the attack quickly filtered through the college.
有关袭击的消息很快就在该学院中传开了。
6. (路口的)转弯信号灯(或车道)
A traffic filter is a traffic signal or lane which controls the movement of traffic wanting to turn left or right.
7. 滤除;滤掉
To filter out something from a substance or from light means to remove it by passing the substance or light through something acting as a filter.
e.g. Children should have glasses which filter out UV rays...
儿童应该戴上滤除紫外线的眼镜。
e.g. 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。
相关词组：filter out
1. 滤光镜：滤光镜(Filter)是一类可对所通过之光的性质――光的颜色(波长)、光的强度(振幅)、光的偏振与否(振动方向)等,以及对所通过之光的传播方向――是正常传播还是在传播过程中辅加以漫射、衍射、折射等,进行精确调节、控制,
2. filter：filt; 筛选程序
The solid particles were filtered from the solution.
固体微粒是从溶液中过滤出来的。
The natives had scraped small holes in the sand, as filters.
出自：S. W. BakerThe whole information..was strained through the imperial filters.
出自：fig.The precipitate of lead sulphide was filtered off.
出自：Ld RutherfordCilia around their mouths created a current of water and from it they filtered their food.
出自：D. AttenboroughThe patient had already been filtered through psychiatric and psychological interviews.
出自：B. A. Farrell
