extraction是一个雅思常考词汇，这个词的常用解释为n. 抽出； 提取法； 摘要，这个词在很多英文原版小说中怎么应用呢，今天小编就带您了解一下。
在查尔斯·狄更斯的《艰难时世》里，有这样的句子出现：
-- Since you have done my wife and myself the honour of drinking our healths and happiness, I suppose I must acknowledge the same; though, as you all know me, and know what I am, and what my extraction was, you won't expect a speech from a man who, when he sees a Post, says "that's a Post," and when he sees a Pump, says "that's a Pump," and is not to be got to call a Post a Pump, or a Pump a Post, or either of them a Toothpick.
在查尔斯·狄更斯的《小杜丽》里，有这样的句子出现：
-- As Clennam followed, she said to him, with the same external composure and in the same level voice, but with a smile that is only seen on cruel faces: a very faint smile, lifting the nostril, scarcely touching the lips, and not breaking away gradually, but instantly dismissed when done with:'I hope the wife of your dear friend Mr Gowan, may be happy in the contrast of her extraction to this girl's and mine, and in the high good fortune that awaits her.'
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