extraction
n
1
(a) [U] action of extracting (extract 1a) 取出; 拔出; 强索
the extraction of a tooth 拔牙
the extraction of financial contributions 硬性摊派捐款
the extraction of information 打探消息
[attrib 作定语]
an extraction process at a diamond mine 钻石矿的开采过程.
(b) [C] instance of extracting a tooth 拔牙
He needs two extractions. 他需要拔掉两颗牙齿.
2 [U] (fml 文) descent; parentage 血统; 出身; 家世
an American of Hungarian extraction 匈牙利血统的美国人.
The Native Americans caught and trained them and were then able to use them to carry their goods when they travelled from one camping ground to another.
美洲土著人捕捉野马,加以驯服。
A born teacher, she thought she could turn a deaf-blind person into a useful human being.
她是一个天的教师,认为自己可以把一个聋盲人变成一个有用的人。
Von Frisch watched the wagging dance very carefully.