1. This would create an air gap to eliminate any possible backflow. �⽫����һ����϶�������κο��ܵĻ�����
2. The clear span of a bridge is the gap from the near edge of the next. �����ľ��磬����һ���ŶյĽ���ߵ������Ŷս����֮��ļ�ࡣ
3. Conclusions: This model tests the effects of growth factors on scar tissue formation in a gap between tendon and bone. ���ۣ����ģ�Ͳ��������������ڼ����֮���϶�а̺���֯�γ��е�Ч����
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n.
1. a conspicuous disparity or difference as between two figures
2. an open or empty space in or between things
3. a narrow opening
4. a pass between mountain peaks
5. a difference (especially an unfortunate difference) between two opinions or two views or two situati
6. an act of delaying or interrupting the continuity v.
1. make an opening or gap in