abstract

adj.抽象的，纯理论的

abstract knowledge 理论知识

abstract principles 抽象原理

The research shows that preschool children are capable of thinking in abstract terms.

研究表明，学龄前儿童具有抽象思维的能力。

n.（文献等）摘要，概要

v.

1、把……抽象出；提取；抽取；分离

She abstracted the main points from the argument.

她把论证概括成要点。

2、写出摘要