a.  纯理论的，纯概念的，抽象的

a.  〔画、设计等〕抽象（派）的

n.  抽象画；抽象派作品

n.  摘要，概要

v.  写…的摘要 

• ≈ theoretical  

  a.  理论的

  a.  理论上的；推想的，臆测的

• ≠ concrete  a. 具体的

• abstract idea / concept  抽象概念

• abstract thinking  抽象思维

• abstract reasoning  抽象推理

• in the abstract  抽象地，概括地，从理论上说

• English Abstract  英文摘要

• abstract noun  抽象名词

• By the age of seven, children are capable of thinking in abstract terms.

  儿童到了七岁就具有抽象思维的能力。

• Talking about crime in the abstract just isn’t enough.

  抽象地谈论犯罪根本不足以说明问题。 

• It might also be necessary to supply an abstract of the review of the literature as well.  可能也有必要提供这篇文学评论的摘要。

• She has theoretical knowledge of teaching, but no practical experience.

  她有教学方面的理论知识，但没有实际经验。

• Equality between men and women in our society is still only theoretical. 在我们这个社会里，男女平等仍然停留在理论上。

• What does that mean in concrete terms?

  具体来说那到底是什么意思？

• The study, which followed more than 2,000 healthy adults between the ages of 18 and 60, found that certain mental functions – including measures of abstract reasoning, mental speed and puzzle-solving – started to dull as early as age 27. 抽象推理

• C) may have greater facility in abstract reasoning  抽象推理方面的天赋更多

• One of the main theoretical home-security concerns is whether or not a given system is vulnerable to being blocked from working altogether. 理论上存在的担忧

• A) They are hardly ever supported by concrete examples. 具体的例子

BrE /ˈæbstrækt/   

NAmE /ˈæbstrækt/