hill ͨ��ָС����ɽ��ʯɽ��dz����ʱҲָ��ɽ��������Ⱥɽ�� mount �����ڵ���֮ǰ�� ��һ�����ר������ǰ�������ôʡ� mount ainͨ��ָ��hill�߶����ĸ�ɽ��ɽ���������������Ǿ��Եģ������롰С����������Զ��ԡ� range �γɵ�ɽ�����롣 peak ָɽ�壬Ҳ��ָɽ���� volcano ��ָ��Ҫ����������Һͻ�ɽ�Ҷѻ����ɵ�Բ�λ�ɽ��
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1. Villagers fled from the erupting volcano. ��ɽ����������Ѹ�����롣
2. The fury of the crowd erupted like a volcano. Ⱥ�ڵķ�ŭ���ɽһ������������
3. Volcano eruption is one of serious geological disasters. ��ɽ�緢�����صĵ����ֺ�֮һ��
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n.
1. a fissure in the earth's crust (or in the surface of some other planet) through which molten lava an
2. a mountain formed by volcanic material