单词	abstraction
释义	abstractionab‧strac‧tion /əbˈstrækʃən, æb-/ AWL noun Examples EXAMPLES FROM OTHER DICTIONARIES Until now, our generation only knew war as an abstraction. EXAMPLES FROM THE CORPUS Among other things, they remind you that abstraction had its roots in spirituality. And yet, we still describe symbols as intellectual abstractions. Comprehension of algebra requires formal operations as its content is basically abstractions of abstractions. It was then but an intellectual elision to view abstraction as the purest of all styles, since it depicted nothing at all. Loyalty to the person of the monarch gave way to allegiance to the abstraction of the state. Nowadays, of course, we understand that it was this way of talking about ethical abstractions that made them seem so mysterious. Successive abstractions: these define the situation in terms of higher and lower levels of abstraction. Such figures are too vast an abstraction. Collocations COLLOCATIONS FROM THE CORPUSADJECTIVE► high · The method consists in extrapolating from concrete relations those properties which can be directly subsumed under these higher order abstractions. ► pure · She was one of Britain's best-loved painters, whose art moved over six decades from semi-cubism towards pure abstraction.· Here is a place of pure abstraction and perfection, free of earthly contamination. 1[countable] a general idea about a type of situation, thing, or person rather than a specific example from real life:  He’s always talking in abstractions.2[uncountable] when you do not notice what is happening around you because you are thinking carefully about something else:  She rocked the baby gently, gazing in abstraction at the flickering fire.3[uncountable] the use of shapes and patterns that do not look like real things
随便看	noxious nozzle NPR nr NRA NRC NSC NSPCC NSU NT n't nth nu nuance nuanced nub nubile nuclear nuclear bomb nuclear deterrence nuclear disarmament nuclear family nuclear fission nuclear-free nuclear fusion

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