| 释义 |
ex·trac·tionAW BrE /ɪkˈstrækʃn/ NAmE /ɪkˈstrækʃn/ noun [U , C ]the act or process of removing or obtaining sth from sth else 提取；提炼；拔出；开采◆ oil /mineral /coal , etc . extraction 石油、矿物、煤等的开采◆ the extraction of salt from the sea 从海水中提取盐[U ]of… extraction (formal ) having a particular family origin （有…）血统；族裔◆ an American of Hungarian extraction 匈牙利血统的美国人[C ](specialist ) the removal of a tooth 拔牙 |