pull or take out, especially with effort or difficulty
remove with a machine or instrument or by chemical means
a passage of written or spoken matter that has been taken from a longer work
a product obtained by extracting
"he presented excerpts from William James' philosophical writings"
"extract a bad tooth"
"take out a splinter"
"extract information from the telegram"
"I extracted a promise from the Dean for two new positions"
"We drew out some interesting linguistic data from the native informant"
"distill the essence of this compound"
"Italians express coffee rather than filter it"
The extract of all is, that he was chosen by the People and Parliament.
出自： N. Bacon
Putting the hand in the pocket and extracting it clutch'd.
出自：Measure for Measure , Shakespeare
Jacob..extracts a horseshoe from the fire.
出自： S. Kingsley
He extracted a battered packet of Gold Flake from the breast pocket of his shirt.
出自： E. J. Howard