1. The facts substantiated your statement. ��ʵ֤����˵�����и��ݵ�
2. Do you have any proof to substantiate your alibi? ����֤�ݱ����㵱ʱ���ڷ����ֳ���
3. Ask the promoter of the plan to substantiate claims with hard evidence. ������ƻ��ķ�������ǿ������֤��֤��������ơ�
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v.
1. establish or strengthen as with new evidence or facts
2. represent in bodily form
3. make real or concrete; give reality or substance to
4. solidify, firm, or strengthen