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1. Oxford Dictionary

   extract

   • v.
     remove or take out, especially by effort or force；obtain (a substance or resource) from something by a special method
   • n.
     a short passage taken from a text, film, or piece of music；a preparation containing the active ingredient of a substance in concentrated form

   • verb: extract, 3rd person present: extracts, gerund or present participle: extracting, past tense: extracted, past participle: extracted

   • noun: extract, plural noun: extracts

2. • 釋義

   v.

   動詞

   • 1. remove or take out, especially by effort or force the fossils are extracted from the chalk 同義詞 take out, draw out, bring out, pull out, remove, ... 更多withdraw, pluck out, fish out, prize out, extricate, wrench out, tear out, uproot, unsheathe, produce, free, release, rarederacinate反義詞 insert
   • ▪ obtain (a substance or resource) from something by a special method lead was extracted from the copper 同義詞 squeeze out, express, separate, press out, obtain, ... 更多distil反義詞 add
   • ▪ obtain (something such as money or information) from someone unwilling to give it I won't let you go without trying to extract a promise from you 同義詞 wrest, exact, wring, screw, squeeze, ... 更多milk, force, coerce, obtain by force, obtain by threat(s), extort, blackmail someone for, worm something out of someone, informalput the bite on someone for, archaicrack
   • ▪ select (a passage from a text, film, or piece of music) for quotation, performance, or reproduction the table is extracted from the report 同義詞 excerpt, select, choose, reproduce, repeat, ... 更多copy, quote, cite, cull, take, abstract反義詞 insert
   • ▪ derive (an idea) from a body of information there are few attempts to extract generalities about the nature of the disciplines 同義詞 derive, develop, evolve, deduce, infer, ... 更多conclude, gather, elicit, obtain, get, take, gain, acquire, procure, attain, glean, formaleduce
   • 2. calculate (a root of a number) early computers had an instruction to extract a square root

   n.

   名詞

   • 1. a short passage taken from a text, film, or piece of music an extract from a historical film 同義詞 excerpt, passage, abstract, citation, selection, ... 更多quotation, cutting, clipping, snippet, fragment, piece, rareanalects
   • 2. a preparation containing the active ingredient of a substance in concentrated form natural plant extracts a shampoo with extract of camomile 同義詞 decoction, distillation, distillate, abstraction, concentrate, ... 更多essence, juice, solution, tincture, elixir, quintessence, raredecocture, apozem