n.外堡；望樓；橋頭堡

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. 為了進(jìn)一步加固大門，許多城堡都有外墻或橋頭堡，保護(hù)大門不受攻擊。

The Barbican is right in the heart of the city of London. 巴比肯恰恰就處在倫敦金融城的中心。