extract
单词辨析：
指引自书籍、演讲、戏剧等的短语或句子，通常内容有趣或有用。
From what book does this quotation come?
这一引语出自哪本书?
He finished his speech with a quotation from Shakespeare.
他讲话结束时引用了莎士比亚的名言。
指引自书籍、演讲等的话，通常标明出处、作者等信息。
His essay begins with a citation from 'Macbeth'.
他的文章引用了《麦克白》中的一句话作为开头。
There were dozens of citations from the works of Goethe in her essay.
她的文章多处引用了歌德的作品。
指从书籍、文章、音乐等中节选的片段，通常篇幅较长。
These are all extracts from the long poem.
这些都是从那首长诗中节选的。
He only found short extracts from the film.
他只找到了那部电影的一些小片段。
相关例句：
This type of surgery could even be used to extract cancerous growths.
这种外科手术甚至可以用来切除癌性肿瘤。
Effective solutions involve optimized techniques and technologies to extract, filter, and transform data.
有效的解决方案涉及到优化的技能和技术，以抽取、过滤和转换数据。
Patterson went straight to the liquor cabinet and extracted a bottle of Scotch
帕特森径直走到酒柜前，取出一瓶苏格兰威士忌。
She reached into the wardrobe and extracted another tracksuit.
她伸手又从衣橱里取出一件运动服。
A new method is applied to extract edges of object in microscopic images.
研究了显微图象中目标对象边缘的提取，提出了一种新方法。
Britain's trade figures can no longer be extracted from export-and-import documentation at ports.
英国的贸易数据现在不能再从各港口的进出口单证中提取了。