abstract
教育科学

        a.抽象的;深奥难理解的:We may talk about beautiful things,but beauty itself is abstract.我们尽可谈论美的事物,但是美本身却是抽象的。vt.[]提取;从某事物中抽取分离出事物:abstract metal from ore 从矿砂中提取金属......（本文共 140 字）     [阅读本文] >>