1. The police have uncovered a plot against the President. �����ѽ�¶��һ��ı����ͳ����ı��
2. In the process of evaluation, performance limitations and deficiencies are uncovered. �ڼ����Ĺ����У������Ⱥ�ȱ�ݱ���¶������
3. Their instruments have uncovered evidence that Mars was once a far wetter and warmer place than the frigid, dusty world it is now. �豸��¶��֤��֤���˻���������һ����ʪ��ů�Ķ���������һ�������ҳ���������硣