/ɪkˈstrækt/
with obj.(常作 be extract-ed)
1- remove or take out, especially by effort or force（用力）取出; 拔出：
the fossils are extracted from the chalk.
这些化石是从白垩中剥离出来的。
1.1
- obtain (something such as money or an admission) from someone in the face of initial unwillingness强行索取; 设法得到（钱或入场券等）：
I won't let you go without trying to extract a promise from you.
得不到你的承诺我是不会轻易放你走的。
1.2
- obtain (a substance or resource) from something by a special method提取; 提炼; 采掘（资源）：
lead was extracted from the copper.
铅是从这些铜中提炼出来的。
1.3
- select (a passage from a piece of writing, music, or film) for quotation, performance, or reproduction抄录; 摘录; 选取：
the table is extracted from the report.
这张表格是从报告中摘录下来的。
1.4
- derive (an idea or the evidence for it) from a body of information推断出, 引申出, 总结出：
there are few attempts to extract generalities about the nature of the disciplines.
很少有人试图对这些学科本质的一般规律加以总结。
1.5
- Mathematics calculate (a root of a number)【数】开（方）, 求（根）。
/ˈekstrækt/
1
- a short passage taken from a piece of writing, music, or film摘录; 选段; 引文：
an extract from a historical film.
一部历史影片中的一个选段。
2
- with modifier a preparation containing the active ingredient of a substance in concentrated form提取物; 精, 汁：
vanilla extract
香草精。
派生词
extractability
nounextractable
adjective词源
late Middle English: from Latin extract- 'drawn out', from the verb extrahere, from ex- 'out' + trahere 'draw'.