1. Two weeks have lapsed since they arrived in Paris. �����ǵִ�����������ѹ�ȥ�����������ˡ�
2. As a championship caliber team, we can't have any lapse on the defensive end. ��Ϊһ֧�����ܹھ�ʵ������ӣ������ڷ��ض˲�����˿����ʧ��
3. In a communication system, the time lapse between the operation of the transmitting device and the response of the receiving device. ��ͨ��ϵͳ�У��ӷ����豸��ʼ�����������豸������Ӧ֮���ʱ������
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n.
1. a mistake resulting from inattention
2. a break or intermission in the occurrence of something
3. a failure to maintain a higher state v.
1. pass into a specified state or condition
2. end, at least for a long time
3. drop to a lower level, as in one's morals or standards
4. go back to bad behavior
5. let slip
6. pass by