about ideas, not real things
Children can think about abstract ideas like love and time.
孩子们可以思考抽象的概念,比如爱和时间。
an idea without physical form
Happiness is an abstract concept that means different things to people.
幸福是一个抽象的概念,对不同的人意味着不同的事物。
art that shows ideas, not real things
The museum has many abstract paintings that use shapes and colors to express feelings.
博物馆有许多抽象画,用形状和颜色来表达情感。
a piece of abstract art
The gallery displayed colorful abstracts by modern artists.
画廊展出了现代艺术家创作的色彩丰富的抽象画。
a short summary of main points
Read the abstract first to understand the main ideas of the research paper.
先阅读摘要以理解研究论文的主要观点。
to take something out
They plan to abstract water from the lake for the town.
他们计划从湖中抽取水供城镇使用。
to make a short summary
She will abstract the key points from the long report.
她将从长篇报告中提取关键要点。