Abstract art makes use of shapes and patterns rather than showing people or things. 抽象的
[C, U] (formal) a general idea not based on any particular real person, thing or situation; the quality of being abstract 抽象概念；抽象
[U] (formal) the state of thinking deeply about sth and not paying attention to what is around you 出神；心神专注
[U, C] the action of removing sth from sth else; the process of being removed from sth else 提取；抽取；分离
water abstraction from rivers
从河流中抽取水