1. A right-wing extremist group had established a compound in the mountains of north Arkansas. ��һ������������֯�ڰ���ɫ�ݱ���ɽ��������һ�����ء�
2. Iraqi security forces need to continue to grow and improve and take the fight to al Qaeda and other extremist groups. �����˰�ȫ������Ҫ���������Ľ��Ͳ�ȡս������-�������������С�顣
3. Iranian agents are in our custody, and we are learning more about how Iran has supported extremist groups with training and lethal aid. ���ʴ����������ǵļ�ܣ���������ѧ����������������֧���˼���С����ѵ�������������֡�
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n.
1. a person who holds extreme views
2. (used of opinions and actions) far beyond the norm