带tract后缀的单词10个

　　Please write an abstract of this article 〔 thesis 〕.

　　请写一份这本书〔这篇论文〕的摘要。

　　He read through the papers and made an abstract of their contents.

　　他把那些论文都读了一遍并做了内容摘要。

　　We may talk of beautiful things but beauty itself is abstract.

　　我们尽可谈论美的事物，但美本身却是抽象的。

　　It is easier to think in concrete terms rather than in the abstract.

　　结合具体的事物来思考要比抽象思考容易些。

　　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。