Question

extraction n.抽出,取出,[化]提取(法)萃取法,抽出物,摘要,血统,[数]开方(法) In addition to this wince-inducing meaning, the noun extraction is the process of separating out something from a chemical mixture or compound. Take decaffeinated coffee — the caffeine is removed by extraction, so you've got science to thank for not being jittery after breakfast. Extraction can also refer to your family background. If you are of Greek extraction, for example, your family history can be traced back to Greece. ☆☆☆☆☆ 2015.0

Accepted Answer

[ik'strækʃ(ə)n] Extraction is the action of removing something. For example, when the dentist yanks out your rotten tooth, the extraction is complete! Though all the subjects were drawn from a population of European extraction, care was taken to see that all subjects, friends and strangers, were taken from the same population. 1[N-UNCOUNT 不可数名词]血统；家世 If you say, for example, that someone is of French extraction, you mean that they or their family originally came from France.   [with supp]  [FORMAL 正式]Her real father was of Italian extraction...她的亲生父亲是意大利裔。He married a young lady of Indian extraction.他娶了一位年轻的印度裔女子。

英语单词	extraction
英美音标	[ik'strækʃ(ə)n]
中文释义	n.抽出,取出,[化]提取(法)萃取法,抽出物,摘要,血统,[数]开方(法)
vocab简明	Extraction is the action of removing something. For example, when the dentist yanks out your rotten tooth, the extraction is complete!
vocab扩展	In addition to this wince-inducing meaning, the noun extraction is the process of separating out something from a chemical mixture or compound. Take decaffeinated coffee — the caffeine is removed by extraction, so you've got science to thank for not being jittery after breakfast. Extraction can also refer to your family background. If you are of Greek extraction, for example, your family history can be traced back to Greece.
真题原句	Though all the subjects were drawn from a population of European extraction, care was taken to see that all subjects, friends and strangers, were taken from the same population.
柯林斯星级	☆☆☆☆☆
柯林斯解释	1 [N-UNCOUNT 不可数名词]血统；家世 If you say, for example, that someone is of French extraction, you mean that they or their family originally came from France. [with supp] [FORMAL 正式] Her real father was of Italian extraction... 她的亲生父亲是意大利裔。 He married a young lady of Indian extraction. 他娶了一位年轻的印度裔女子。
来源	2015.0

Extraction Family Ik'strækʃ(ə)N N.抽出,取出,[化]提取(法)萃取法,抽出物,摘要,血统,[数]开方(法 Action Removing Dentist Yanks