ravelin
英：['rævlɪn] 美： ['rævlɪn]
ravelin 基本解释
n.（城墙的）半月堡；
英英释义
Ravelin
A ravelin is a triangular fortification or detached outwork, located in front of the innerworks of a fortress (the curtain walls and bastions). Originally called a demi-lune, after the lunette, the ravelin is placed outside a castle and opposite a fortification curtain.以上来源于:Wikipedia
ravelin 相关例句
权威例句
RavelinRavelinRavelinThe Ravelin' WolfFloras Kulle. Ravelin Prins UlrikALEKSEJEVSKI RAVELIN KNJIGA O PDAU I VELIČINI ČOVEKAALEKSEJEVSKI RAVELIN : KNJIGA O PADU I VELIČINI ČOVEKAAleksieevsk Ravelin: Otryvok Iz Vospominan (Russian Edition)Mettre un Ravelin & un Ouvrage Couronné devant un Ouvrage à CornetsMilleniemonumentet vid Stora Teatern - Ravelin Prins CarlDance Til Your Stockings are Hot and Ravelin': A Tribute to the Music of the "Andy Griffith Show"Books that were in Fyodor Dostoyevsky during his stay in Alexeyev Ravelin Peter and Paul Fortress (1849)Archeological Investigations: the Southeast Front (Water Battery Vicinity) and Ravelin Dry Moat, Package No. FOMC 276B, Fort McHenry...
