- n. 过滤器；滤色镜；滤光器
- v. 过滤；渗透
- 【计】 过滤
- [C]过滤,过滤器 a thing used for holding back the solid parts in a liquid or gas
- vt. & vi. 透过,过滤 send sth through a filter
- vi. (消息等)走漏 become known gradually
device that removes something from whatever passes through it
an electrical device that alters the frequency spectrum of signals passing through it
remove by passing through a filter;
"filter out the impurities"
"Water permeates sand easily"
run or flow slowly, as in drops or in an unsteady stream;
"water trickled onto the lawn from the broken hose"
"reports began to dribble in"
- We usually clear the water with a filter.
- You can also filter to focus on specific areas.
- Filter selection is made using inherent spectra.
- A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged.
- A filter for a display apparatus, a method of manufacturing the same, and a plasma display apparatus are disclosed.
- The filter funnels the signals received from many directions into separate photodetectors and improves reception by combining the energies of the beams.
- It won't take long to filter the coffee.
- We must filter out the dirt.
- The sunlight filtered through the curtains.
- The news of the defeat started to filter through.
- The lake water passes through a filter before it is piped to our homes.
- They purified water by a filter.
- She went on separating, boiling, evaporating, filtering and mixing.
- Charcoal is used to filter water.
- The sunglasses is used to filter the light.
- Water and soil would have to be filtered many times to remove any radioactive matter.
- filter from (v.+prep.)
从…过滤出来 pass through a filter
filter sth from sth
The solid particles were filtered from the solution.
- filter in (v.+adv.)
透过,滤过 pass or flow slowly
filter sth ⇔ in
Sounds of cheering filtered in through the closed window.
- filter into (v.+prep.)
渗透,滤过 pass or flow slowly
filter into sth
Water filters into the well.
Light filtered into the room.
The enemy agents managed to filter into the embattled country.
Foreign influence began to filter into the country.
- filter out (v.+adv.)
泄漏(消息等) become known(news, etc.)
filter sth ⇔ out
This metal net filters out the dirt.
You have to filter out the dirt before using the water.
The solids were filtered out and only the liquid passed into the container.
The news of his appointment filtered out before it was officially advertised.
- filter through1 (v.+adv.)
走漏 become known gradually
The news slowly filtered through to everyone in the office.
- filter through2 (v.+prep.)
透过,滤过 pass through gradually
filter through sth
A liquid filters through a strainer, into the receptacle beneath.
Water filters through the sandy soil and into the well.
The sunlight filtered through the curtains.
The sunlight filtered through the thick leaves.
阳光透过茂密的树叶照射下来。filter sth through sth
You filter the coffee through this special paper and it takes out the bitterness.
The water was filtered through charcoal.
- filter tip 过滤嘴香烟
The natives had scraped small holes in the sand, as filters.出自： S. W. Baker
The whole information..was strained through the imperial filters.出自： fig.
The precipitate of lead sulphide was filtered off.出自： Ld Rutherford
Cilia around their mouths created a current of water and from it they filtered their food.出自： D. Attenborough
The patient had already been filtered through psychiatric and psychological interviews.出自： B. A. Farrell
- filter接into,表示“渗入”; 接out表示“滤出”“泄露出去”; 接through,可表示“滤过”“透过”。
- ☆ 1400年左右进入英语，直接源自中世纪法语的filtrum；最初源自西日耳曼语的filtiz，意为毛毡。