n.出神;发呆
I can not understand the so abstract concept. 我无法理解如此抽象的观念。
He's hung on abstract art this year. 今年他对抽象艺术很感兴趣。
Based on speculative or abstract reasoning. 哲学上的,理论上的建立在思辩或抽象的推论之上的
Abstract words are beyond the ken of children. 抽象的词语是幼童所无法理解的。