abstraction
美[æbˈstrækʃən, əb-] 网络提取；出神；抽出；抽象性
1 . "Third World" is an abstraction, a form of shorthand.
“第三世界”是个抽象概念，是一种简称。
来自柯林斯例句
2 . Andrew noticed her abstraction and asked, "What's bothering you?"
安德鲁注意到她在愣神，便问道：“你怎么啦？”
来自柯林斯例句
3 . water abstraction from rivers
从河流中抽取水
来自《权威词典》
4 . The idea of redness is an abstraction .
红色概念是一种抽象概念.
来自《现代英汉综合大词典》
5 . The abstraction, generally as the opposite the real, is mostly misunderstood as absence of content.
Abstraction(萃取、抽象)这个字, 一般的认知是真实的相反, 而最常被误解的一点是它缺乏内涵.
来自互联网
1.a concept or idea not associated with any specific instance;
he loved her only in the abstract--not in person
2.the act of withdrawing or removing something
3.the process of formulating general concepts by abstracting common properties of instances
4.an abstract painting
5.preoccupation with something to the exclusion of all else
6.a general concept formed by extracting common features from specific examples