1. They have always championed the cause of equal rights for women. ����һ��֧�ָ�Ů��ȡͬ��Ȩ�����˶���
2. He is the undisputed champion. ����������Ĺھ���
3. I think Argentina will be the champion. ����Ϊ����͢�����ùھ���
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n.
1. someone who has won first place in a competition
2. someone who fights for a cause
3. a person who backs a politician or a team etc.
4. someone who is dazzlingly skilled in any field v.
1. protect or fight for as a champion
2. holding first place in a contest