bulwark

保障、防線、屏障正式

A free press is a bulwark against the abuse of power.

新聞自由是防止濫權的一道屏障。

防禦工事、堡壘、壁壘

The old city is still ringed by thick stone bulwarks.

這座舊城至今仍被厚重的石造防禦工事環繞。

舷牆常用複數

Waves crashed over the bulwarks and soaked the whole deck.

浪打過舷牆，把整個甲板都澆濕了。

捍衛、保衛、鞏固正式

New laws were passed to bulwark the rights of tenants.

政府通過新法，以捍衛承租人的權益。