filter
filter
noun
noun
- a porous device for removing impurities or solid particles from a liquid or gas passed through it
过滤器
an oil filter.
滤油器。
■short for filter tip
filter tip 的简称
[as modifier]a cheap filter cigarette.
廉价的过滤嘴香烟。
■a screen, plate, or layer of a substance which absorbs light or other radiation or selectively absorbs some of its components
滤光（或其他辐射）屏（或板、层）
filters can be used in photography to reduce haze.
摄影中滤光镜可用来提高清晰度。
■a device for suppressing electrical or sound waves of frequencies not required
滤波器
■(Brit)an arrangement whereby vehicles may turn left (also right) while other traffic waiting to go straight ahead or turn right (also left) is stopped by a red light
(英)（车辆）分流
[as modifier]a filter lane.
分流车道。
■a traffic light signalling such an arrangement, typically one partly blacked out to form an arrow
（尤指箭头状的）分流灯
■(Computing)a piece of software that processes text, for example to remove unwanted spaces or to format it for use in another application
(计算机)筛选程序
- [with obj.](常作 be filtered)pass (a liquid, gas, light, or sound) through a device to remove unwanted material
过滤（液体，气体，光，声音）
the eye filters out ultraviolet radiation.
眼睛可滤出紫外线。
you'll be put through to a secretary whose job it is to filter calls.
会把你的电话接到一个秘书那儿，她的工作就是筛选来电。
■(Computing)process or treat with a filter
(计算机)过滤，筛选
■[no obj., with adverbial of direction]move slowly or in small quantities or numbers through something or in a specified direction
缓缓流过；透过；渗过
people filtered out of the concert during the last set.
终曲声中，人们缓缓走出了音乐厅。
■(of light or sound) enter a place slowly or in small quantities
（光，声）滤进来
sunlight filtered in through the thin curtains.
阳光透过薄薄的窗帘射进来。
■[no obj., with adverbial](of information) gradually become known
（消息）渐为人知，渐渐传开
the news began to filter in from the hospital.
消息开始渐渐从医院传进来了。
■[no obj., with adverbial of direction](Brit.)(of traffic) be allowed to pass to the left or right at a junction while traffic going straight ahead is halted
(英)（车辆）在路口获准转弯
- late Middle English (denoting a piece of felt): from French filtre, from medieval Latin filtrum 'felt used as a filter', of West Germanic origin and related to felt
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