2. At the heart of Michael's diplomacy was a policy designed to encircle the enemies of Byzantium. �������⽻���ߵĺ��ľ������Ӧ��ռͥ�۹��ܱߵĵ����ǵġ�
3. But if in you thought you must measure time into seasons, let each season encircle all other seasons. �����������������㶨Ҫ��ʱ��ֳɼ����Ǿ���ûһ����Χ��ס�����ļ���
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v.
1. be around
2. form a circle around
3. bind with something round or circular