3. Solving these equations is involved and we simply sketch the results. ����Щ����ʽ�Ǹ��ӵģ����Ǽع���������
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n.
1. preliminary drawing for later elaboration
2. a brief literary description
3. short descriptive summary (of events)
4. a humorous or satirical drawing published in a newspaper or magazine v.
1. make a sketch of
2. describe roughly or briefly or give the main points or summary of
�ɿ�Ӣ�� - 划词释义
