citadel

名詞

1. 1

   城堡、要塞、堡壘

   The ancient citadel still overlooks the harbor from the hilltop.

   那座古老的要塞至今仍從山頂俯視著港口。

2. 2

   大本營、堅強堡壘比喻

   The university was long seen as a citadel of free thought.

   這所大學長期被視為自由思想的大本營。