a strong position that an army has captured in enemy land, from which it can go forward or attack the enemy Topics War and conflictc2桥头堡(部队在敌占区内夺取的据点) - [usually singular]
a good position from which to make progress (进一步前进的)立足点,据点 This agreement will be a bridgehead for further talks. 这项协议将成为进一步谈判的桥头堡。