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filter

美音:[´fıltə ]点这儿播放单词美音发声
英音:[´fıltə ]点这儿播放单词英音发声
n.滤波器,过滤器,滤光器,筛选 vt.过滤,渗透,用过滤法除去 vi.滤过,渗入,(消息等)走漏,慢慢传开

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filter为短语/超纲词汇   词频:5752

词形变化:

形容词:filterless 名词:filterer 动词过去式:filtered 过去分词:filtered 现在分词:filtering 第三人称单数:filters

近义词, 同义词

相关词

cleanse  drain  percolate  purify  refine  screen  separate  sift  strain    

filter


/'fɪltə(r); `fɪltɚ/
n
1 device containing paper, sand, cloth, etc used to hold back any solid material or impurities in a liquid or gas passed through it 过滤器
*an oil filter 滤油器
* a coffee filter 咖啡过滤器. =>illus 见插图.
2 screen (esp of coloured glass) that allows light only of certain wavelengths to pass through 滤光镜; 滤色镜
*I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的.
3 device for suppressing certain electrical or sound waves (电波、声波的)滤波器.
4 (Brit) device that signals to show that traffic may turn left while other traffic waiting to go straight ahead or turn right is still stopped by a red traffic light (在红灯指示其他车辆不得直行或右转时)指示车辆左转的交通设施. =>illus 见插图.

v
1 [Tn]
(a) pass (liquid, light, etc) through a filter 过滤(液体、光等)
*It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好.
(b) purify (a liquid) by using a filter 滤清(液体)
*All drinking water must be filtered. 饮用水均须过滤净化.
2 [I, Ipr, Ip] ~ in, out, through, etc (fig 比喻) pass or flow slowly in a specified direction; become known gradually 慢慢传开; 渗透
*New ideas are slowly filtering into people's minds. 新思想逐渐深入人心.
* The news of the defeat started to filter through. 战败的消息开始传出来.
3 [I] (Brit) (of traffic) turn left while other traffic waiting to go straight ahead or turn right is stopped by a red traffic light (指车辆)左转行驶(有红灯指示其他车辆不得直行或右转).
1. When they managed to beg some from the local farmers, they had to filter it through linen to get rid of the filth it contained.
    当他们设法从当地的农民那里乞求到一些水时,他们不得不用亚麻布来过滤掉里面的污物。

2. I took this picture with a red filter.
    这张照片我是用红色滤光镜拍摄的.

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