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filter

verb

filter ♦︎ purify ♦︎ refine ♦︎ strain ♦︎ sieve ♦︎ siftThese words all mean to separate sth from sth else, especially a solid from a liquid or larger solids from smaller solids. 這些詞均表示過濾、篩。PATTERNS AND COLLOCATIONS 句型和搭配◆to filter / strain / sieve / sift sth into sth◆to filter / strain / sieve sth through sth◆to filter / purify air / water◆to refine / sieve / sift sugar◆to sieve / sift flour◆to be finely sieved / sifted■ filter [transitive] to pass a substance or light through a special device, especially to remove sth that is not wanted 過濾（物質或光線）◆All drinking water must be filtered.所有飲用水必須經過過濾。◆Use a sunblock that filters UVA effectively.使用能有效濾掉長波紫外線的防曬霜。◆The air was improving as the recyclers filtered out the smoke.由於循環淨化器過濾掉了煙霧，空氣質量正在改善。■ purify ˈpjʊərɪfaɪ; NAmE ˈpjʊrɪfaɪ [transitive] to make sth pure by removing substances that are dirty, harmful or not wanted 使潔淨；淨化◆One tablet will purify a litre of water in 10 minutes.一片即可在10分鐘内淨化1升水。◆House plants can help to purify the air.室内盆栽有助於淨化空氣。▸ purification ˌpjʊərɪfɪˈkeɪʃn; NAmE ˌpjʊrɪfɪˈkeɪʃn

noun

 [uncountable] ◆a water purification plant濾水廠■ refine rɪˈfaɪn [transitive] to make a substance pure by taking other substances out of it, especially as part of an industrial process 精煉，提煉，去除雜質（尤指作爲一道工序）◆The process of refining oil produces several useful chemicals.煉油的過程會産生幾種有用的化學品。■ strain [transitive] to pour food or another substance through sth with very small holes in it, for example a sieve, in order to separate the solid part from the liquid part 濾，濾掉（多餘的水分）◆Use a colander to strain the vegetables.把蔬菜放在濾器裏控控水。◆Strain off any excess liquid.濾掉多餘的水分。■ sieve sɪv [transitive] to put sth through a sieve 篩；過篩；濾◆Liquidize or sieve half the soup and return it to the pot.把一半的湯打成濃汁或者濾一下，再倒回鍋裏。ⓘ A sieve is a tool for separating solids from liquids or larger solids from smaller solids, made of a wire or plastic net attached to a ring. The liquid or small pieces pass through the net but the larger pieces do not. * sieve指篩子、笊籬、漏勺等濾器。■ sift [transitive] to put flour, sugar or some other fine substance through a sieve or sifter 篩（面粉、糖或其他顆粒較細的物質）◆Sift the flour, baking powder and salt into a bowl.把面粉、發酵粉和鹽篩到碗裏。ⓘ In American English a sifter is a small sieve used especially for sifting flour. 在美式英語中，sifter尤指面粉篩子。

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