/ɪkˈstrækt ||; ɪkˈstrækt/verb [T] (formal 正式) to take sth out, especially with difficulty 取出，索取（尤指费劲地）: I think this tooth will have to be extracted.看来我得把这颗牙拔掉。I wasn't able to extract an apology from her.我要她道歉，她偏不肯。
extract²
/ˈekstrækt ||; ˈɛkstrækt/noun [C] a part of a book, piece of music, etc, that has often been specially chosen to show sth （书、乐曲等的）节录，选段: The newspaper published extracts from the controversial novel.报纸刊载了那本有争议的小说的选段。