N-COUNT
防護(hù)；壁壘
A bulwark against something protects you against it. A bulwark of something protects it.
例句
The abbeys were founded in the 12th century by King David as a bulwark against the English...
這些修道院是12世紀(jì)大衛(wèi)王用來(lái)抵御英國(guó)人而修建的堡壘。
The House of Lords is the only bulwark of democracy in this country.
在這個(gè)國(guó)家，上議院是唯一的民主堡壘。