| 释义 |
ex·trac·tion AW 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 |