(noun.) the act of referring or consulting; 'reference to an encyclopedia produced the answer'.
(noun.) the most direct or specific meaning of a word or expression; the class of objects that an expression refers to; 'the extension of `satellite of Mars' is the set containing only Demos and Phobos'.
(noun.) the relation between a word or phrase and the object or idea it refers to; 'he argued that reference is a consequence of conditioned reflexes'.
(noun.) a publication (or a passage from a publication) that is referred to; 'he carried an armful of references back to his desk'; 'he spent hours looking for the source of that quotation'.
(verb.) refer to; 'he referenced his colleagues' work'.
格特鲁德编辑
整理:米切尔