1. Two old trees overlapped their upper branches. 那两棵古树的上端分枝相互交搭复生。
2. The roofs of the houses overlap in this crowded city. 房子的屋顶重叠在这个拥挤的城市的上空。
3. History and politics overlap and should be studied together. 历史和政治相互交叠，应该一起研究。
英英解释
n.
1. a representation of common ground between theories or phenomena
2. the property of partial coincidence in time
3. a flap that lies over another part v.
1. coincide partially or wholly
2. extend over and cover a part of
