以tract为后缀的单词5个

　　例句：

　　Abstract art is an acquired taste.

　　要慢慢培养才会欣赏抽象艺术。

　　It's not a question of some abstract concept of justice.

　　这不是一个有关正义的某一抽象概念的问题。

　　A modern abstract painting takes over one complete wall.

　　一幅现代抽象画占了整整一面墙。

　　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。