1. 名詞
   abstraction複數: 抽象的概念
   抽象的名稱
   抽象派的藝術作品
   空想, 不切實際的觀念
   

   同義字詞
   cogitation,concept,conception,idea,image,impression,intellection,mind's eye,notion,picture,thought
   

例句

1. E1" are called " abstractions ".
2. In nature, they are abstractions .
3. Both should depend on abstractions .
4. I don't understand such abstractions .
5. That is, the labels are abstractions .
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