单词：extractions
音标：[ɪkˈstrækʃənz] ；
n. 取出( extraction的复数形式 ); 摘要; 血统; 拔牙
n. the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
n. properties attributable to your ancestry
n. the action of taking out something (especially using effort or force)
n. properties attributable to your ancestry
n. the action of taking out something (especially using effort or force)