ex·tract¹/ɪk`strækt; ɪkˈstrækt/ v [T] 1 to make someone give you information, money etc that they do not want to give 榨取，逼取〔信息、钱财等〕: The police failed to extract any information from him. 警方未能从他口中套取到任何情报。 2formal to remove something 【正式】 抽出，拔出: gaps in her mouth where teeth had been extracted 她口中拔掉牙齿的地方留下的缺口