n.外堡；望楼；桥头堡
Barbican.
n.巴比肯(地名)
To further reinforce the gateway, many castles had an outer wall or a Barbican.n.巴比肯(地名)" target="_blank">barbican which screened the gate from attack. 为了进一步加固大门，许多城堡都有外墙或桥头堡，保护大门不受攻击。
The Barbican is right in the heart of the city of London. 巴比肯恰恰就处在伦敦金融城的中心。
