abstraction造句

"Third World" is an abstraction, a form of shorthand.
“第三世界”是个抽象概念，是一种简称。

Andrew noticed her abstraction and asked, "What's bothering you?"
安德鲁注意到她在愣神，便问道：“你怎么啦？”

water abstraction from rivers
从河流中抽取水

• #abstraction