英语词汇“filter”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

noun | verb

filterfilter1 /ˈfɪltɚ/ ●●○ S3 W3 noun [countable]

ETYMOLOGYfilter¹

Origin: 1300-1400 Old French filtre piece of felt (=thick material) used as a filter, from Medieval Latin filtrum

1something that you put gas or liquid through, in order to remove unwanted substances: a water filter a coffee filter2computers a computer program that only allows certain types of information to pass through it: an Internet filter used to prevent children looking at sex sites3a piece of glass or plastic that changes the amount or color of light allowed into a camera or telescope4a piece of equipment that only allows certain sounds to pass through it [Origin: 1300–1400 Old French filtre piece of felt (=thick material) used as a filter, from Medieval Latin filtrum]

noun | verb

filterfilter2 ●○○ verb

VERB TABLE

filter

Simple Form
Present	I, you, we, they	filter
	he, she, it	filters
Past	I, you, he, she, it, we, they	filtered
Present perfect	I, you, we, they	have filtered
	he, she, it	has filtered
Past perfect	I, you, he, she, it, we, they	had filtered
Future	I, you, he, she, it, we, they	will filter
Future perfect	I, you, he, she, it, we, they	will have filtered

Continuous Form
Present	I	am filtering
	he, she, it	is filtering
	you, we, they	are filtering
Past	I, he, she, it	was filtering
	you, we, they	were filtering
Present perfect	I, you, we, they	have been filtering
	he, she, it	has been filtering
Past perfect	I, you, he, she, it, we, they	had been filtering
Future	I, you, he, she, it, we, they	will be filtering
Future perfect	I, you, he, she, it, we, they	will have been filtering

1[transitive] to remove unwanted substances from a liquid or gas by passing it through a special substance or piece of equipment: Filter the water before drinking it.2[intransitive always + adv./prep.] if news or information filters somewhere, people gradually hear about it: filter back/through etc. Unofficial reports of the violence began to filter out of the capital within days.3[intransitive always + adv./prep.] if people filter somewhere, they move gradually to that place through a door, passage, etc.: filter in/out etc. People began filtering into the auditorium.4[intransitive always + adv./prep.] if light or sound filters into a place, it can be seen or heard only slightly: filter through/into Sunshine filtered through a stained glass window.filter something ↔ out phrasal verb1to remove something by using a filter: The system filters out chemicals that are harmful to fish.2to remove people, things, information, etc. that you do not need or want: The software can filter out unwanted advertisements. Tests are used to filter out unqualified applicants.