城堡, 堡垒
a large building or group of buildings fortified against attack with thick walls, battlements, towers, and in many cases a moat
示例:• The ancient castle stood majestically on the hill.古老的城堡雄伟地矗立在山上。• Many tourists visit the historic castle every year.每年都有许多游客参观这座历史悠久的城堡。同义词:fortresscitadelkeepstrongholdchâteau