citadel [ˈsɪtədəl]以下由轻松背单词网站提供
单词级别第10级基本释义n.城堡;堡垒;避难所英英释义a strong castle in or near a city , where people can shelter from danger , especially during a war参考例句The citadel was solid. 城堡是坚固的。This citadel is built on high ground for protecting the city. 这座城堡建于高处是为保护城市。 推荐阅读 |