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n. ժҪ�����󣻳���ĸ���
adj. ����ģ���µ�
vt. ժҪ����ȡ��ʹ��������
vi. ��ժҪ��д����

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v. cabbage��filch��hook��lift
n. abstraction��outline��precis��synopsis
a. abstractionist��nonfigurative��nonobjective

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a.   concrete

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1. to abstract the idea of greenness from the colour of all green objects
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2. All abstract classes must be base classes.
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3. All base classes should be abstract classes.
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n.
  1. a concept or idea not associated with any specific instance
  2. a sketchy summary of the main points of an argument or theory
v.
  1. consider a concept without thinking of a specific example; consider abstractly or theoretically
  2. make off with belongings of others
  3. consider apart from a particular case or instance
  4. give an abstract (of)
adj.
  1. existing only in the mind; separated from embodiment
  2. not representing or imitating external reality or the objects of nature
  3. dealing with a subject in the abstract without practical purpose or intention

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Abstract
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abstract noun
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abstract music
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abstract title
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abstract function
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