1. Cancer is caused by abnormal cells that grow quickly. ���������쳣ϸ���ɳ���������ġ�
2. Now let me check if you have any abnormal breath sounds. �������Ҽ��һ�����Ƿ��в������ĺ�������
3. Now let me check if you have any abnormal breath sounds. �����������������û�в������ĺ�������
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adj.
1. not normal; not typical or usual or regular or conforming to a norm
2. departing from the normal in e.g. intelligence and development
3. much greater than the normal