connecting link
连杆；
连接杆；
联接链节；
连接片
Here was a real social opportunity knocking at his very door-a connecting link to oneof the very best families!
这简直是把高攀的机会送上门来,这可是跟最有名望的人家沾上关系的一条线索啊!
手机提问的朋友在客户端右上角评价点【满意】即可.