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ravelin

听听怎么读

英 ['rævlɪn]

美 ['rævlɪn]

是什么意思

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

学习怎么用

权威例句

Ravelin
Ravelin
Ravelin
The Ravelin' Wolf
Floras Kulle. Ravelin Prins Ulrik
ALEKSEJEVSKI RAVELIN KNJIGA O PDAU I VELIČINI ČOVEKA
ALEKSEJEVSKI RAVELIN : KNJIGA O PADU I VELIČINI ČOVEKA
Aleksieevsk Ravelin: Otryvok Iz Vospominan (Russian Edition)
Mettre un Ravelin & un Ouvrage Couronné devant un Ouvrage à Cornets
Milleniemonumentet vid Stora Teatern - Ravelin Prins Carl
Dance 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...

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