extraction
英 [ɪkˈstrækʃn] 美 [ɪkˈstrækʃən]
n.
取出,抽出;血统,家世,出身;[化]提取(法),萃取(法),回收物,提出物,精炼;[数]开方,求根[1]
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。
The local economy is overwhelmingly dependent on oil and gasextraction
当地经济过于依赖石油和天然气的开采。
Zidane has become the poster child for a whole generation ofFrench-born youths of North African extraction
齐达内已成为在法国出生、有着北非血统的年轻一代的典范。[1]