n.壁壘；保障；防波堤
(復(fù)) bulwarks:（船的）舷墻.
v.用堡壘防護(hù)
Our people's support is a bulwark against the enemy. 人民的支持就是抗拒敵人的堡壘。
The dam will be a bulwark against floods. 這防波堤可以堤防洪水。
