abstracting例句

He is abstracting a story for a book review.
他正在为篇书评撰写故事梗概.

I am abstracting sugar from beets by immersing them in water.
我在用水浸取甜菜中的糖分.

A automatic Abstracting method based on reformative co - occurrence model is proposed.
提出一种改进词共现模型的自动摘要方法.