(verb.) calculate the root of a number.
(verb.) remove, usually with some force or effort; also used in an abstract sense; 'pull weeds'; 'extract a bad tooth'; 'take out a splinter'; 'extract information from the telegram'.
(verb.) separate (a metal) from an ore.
(verb.) get despite difficulties or obstacles; 'I extracted a promise from the Dean for two new positions'.
戴夫校对
伊迪丝录入