2. The record of the plow was insignificant. ��������ļ����Dz���Ҫ�ġ�
3. In the deepest part there are several acres more level than almost any field which is exposed to the sun, wind, and plow. ������IJ��֣�����ӢĶ����ƽ̹�ģ������������κ������¡��ͷ�����Щ����ֲ�˵���Ұ��
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n.
1. a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing
2. to break and turn over earth especially with a plow
3. deal with verbally or in some form of artistic expression
4. move in a way resembling that of a plow cutting into or going through the soil