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extracting 音标拼音: [ɪkstr'æktɪŋ] 提取 提取 extracting抽取; 萃取 extracting取 萃取 撷取 Extract \ Ex* tract"\, v. t. [ imp. & p. p. { Extracted}; p. pr. & vb. n. { Extracting}.] [ L. extractus, p. p. of extrahere to extract; ex out trahere to draw. See { Trace}, and cf. { Estreat}.] 1. To draw out or forth; to pull out; to remove forcibly from a fixed position, as by traction or suction, etc.; as, to extract a tooth from its socket, a stump from the earth, a splinter from the finger. [ 1913 Webster] The bee Sits on the bloom extracting liquid sweet. -- Milton. [ 1913 Webster] 2. To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence. Cf. { Abstract}, v. t., 6. [ 1913 Webster] Sunbeams may be extracted from cucumbers, but the process is tedious. [ 1913 Webster] 3. To take by selection; to choose out; to cite or quote, as a passage from a book. [ 1913 Webster] I have extracted out of that pamphlet a few notorious falsehoods. -- Swift. [ 1913 Webster] { To extract the root} ( Math.), to ascertain the root of a number or quantity. [ 1913 Webster]
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